How to Travel from

Rivne to Żywiec

by Plane, Bus or Car

Ukraine Poland Rivne Żywiec

How to Get from Rivne to Żywiec (Plane, Bus, Car)

Car

7 h 34 min

from $33

Bus

8 h 19 min

from €520

Details

Cheapest

Other

8 h 19 min

Bus

671 km.

from €520

Details

Route Navigator Rivne - Żywiec

Get all the information you need right here

Continue onto Соборна вулиця

Соборна вулиця, 1 km 433 м

1 km 433 м

Turn left onto вулиця Петра Могили

вулиця Петра Могили, 1 km 715 м

1 km 715 м

Turn right onto вулиця Олега Дудєя

вулиця Олега Дудєя, 24 м

24 м

Turn left onto вулиця Діонісія Міклера

вулиця Діонісія Міклера, 322 м

322 м

Turn slight right onto вулиця Діонісія Міклера

вулиця Діонісія Міклера, 24 м

24 м

What is the cheapest way to get from Rivne to Żywiec?

The cheapest way to get from Rivne to Żywiec is car at a price of $1., the journey takes 7 h 34 min.

What is the fastest way to get from Rivne to Żywiec?

The fastest way to get from Rivne to Żywiec is plane at a price of $2.52., the journey takes 1 h 16 min.

Is there a direct Bus from Rivne to Żywiec?

Yes, there is a direct Bus, departing from Rivne and arriving in Żywiec. The trip takes approximately 8 h 19 min.

Is there a direct Plane from Rivne to Żywiec?

Yes, there is a direct Plane, departing from Rivne and arriving in Żywiec. The trip takes approximately 1 h 16 min.

What is the distance from Rivne to Żywiec?

The distance between Rivne and Żywiec is 610 km.

How long does the trip from Rivne to Żywiec?

The journey from Rivne to Żywiec takes approximately 5 h 43 min.

Is there a direct Car from Rivne to Żywiec?

Yes, there is a direct Car, departing from Rivne and arriving in Żywiec. The trip takes approximately 7 h 34 min.

[{"selectedTransportType":"car","routePoints":[{"latitude":50.6196175,"longitude":26.2513165,"title":"Rivne"},{"latitude":49.68529,"longitude":19.19243,"title":"Żywiec"}],"compositeRoutePoints":[],"transportTypes":{"car":{"title":"Car","color":"var(--color-transport-car)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_car\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CAR\u0027\u003E\u003C\/i\u003E"},"taxi":{"title":"Taxi","color":"var(--color-transport-taxi)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_taxi\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TAXI\u0027\u003E\u003C\/i\u003E"},"bus":{"title":"Bus","color":"var(--color-transport-bus)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_bus\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_BUS\u0027\u003E\u003C\/i\u003E"},"train":{"title":"Train","color":"var(--color-transport-train)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_train\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAIN\u0027\u003E\u003C\/i\u003E"},"truck":{"title":"Truck","color":"var(--color-transport-truck)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_truck\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRUCK\u0027\u003E\u003C\/i\u003E"},"plane":{"title":"Plane","color":"var(--color-transport-plane)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_plane\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_PLANE\u0027\u003E\u003C\/i\u003E"},"ride_share":{"title":"Rideshare","color":"var(--color-transport-ride_share)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_ride_share\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_RIDE_SHARE\u0027\u003E\u003C\/i\u003E"},"people":{"title":"Person","color":"var(--color-transport-people)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_people\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_PEOPLE\u0027\u003E\u003C\/i\u003E"},"walk":{"title":"Walking","color":"var(--color-transport-walk)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_walk\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_WALK\u0027\u003E\u003C\/i\u003E"},"bike":{"title":"Bicycle","color":"var(--color-transport-bike)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_bike\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_BIKE\u0027\u003E\u003C\/i\u003E"},"transfer":{"title":"Transfer","color":"var(--color-transport-transfer)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"},"subway":{"title":"Subway","color":"var(--color-transport-subway)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_subway\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_SUBWAY\u0027\u003E\u003C\/i\u003E"},"composite":{"title":"Route","color":"var(--color-transport-composite)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"},"carsharing":{"title":"Carsharing","color":"var(--color-transport-carsharing)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_carsharing\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CARSHARING\u0027\u003E\u003C\/i\u003E"},"suburban":{"title":"Electric Train","color":"var(--color-transport-suburban)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_suburban\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_SUBURBAN\u0027\u003E\u003C\/i\u003E"},"tram":{"title":"Tram","color":"var(--color-transport-tram)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_tram\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAM\u0027\u003E\u003C\/i\u003E"},"trolleybus":{"title":"Trolleybus","color":"var(--color-transport-trolleybus)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_trolleybus\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TROLLEYBUS\u0027\u003E\u003C\/i\u003E"},"cable_car":{"title":"Funicular","color":"var(--color-transport-cable_car)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_funicular\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CABLE_CAR\u0027\u003E\u003C\/i\u003E"},"rail":{"title":"Rail","color":"var(--color-transport-rail)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_train\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAIN\u0027\u003E\u003C\/i\u003E"},"ferry":{"title":"Ferry","color":"var(--color-transport-ferry)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_ferry\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_FERRY\u0027\u003E\u003C\/i\u003E"},"rent":{"title":"Rent auto","color":"var(--color-transport-rent)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_rent\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_RENT\u0027\u003E\u003C\/i\u003E"},"unknown":{"title":"Unknown","color":"var(--color-transport-unknown)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"}},"pointIcon":"\u003Ci class=\u0022icon iconmoon iconmoon-map_point\u0022 style=\u0022color:var(--color-primary)\u0022 aria-label=\u0027MAP_POINT\u0027\u003E\u003C\/i\u003E","routeId":61615345}, {"selectedTransportType":"plane","routePoints":[{"latitude":50.6196175,"longitude":26.2513165,"title":"Rivne"},{"latitude":49.68529,"longitude":19.19243,"title":"Żywiec"}],"compositeRoutePoints":[],"transportTypes":{"car":{"title":"Car","color":"var(--color-transport-car)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_car\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CAR\u0027\u003E\u003C\/i\u003E"},"taxi":{"title":"Taxi","color":"var(--color-transport-taxi)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_taxi\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TAXI\u0027\u003E\u003C\/i\u003E"},"bus":{"title":"Bus","color":"var(--color-transport-bus)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_bus\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_BUS\u0027\u003E\u003C\/i\u003E"},"train":{"title":"Train","color":"var(--color-transport-train)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_train\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAIN\u0027\u003E\u003C\/i\u003E"},"truck":{"title":"Truck","color":"var(--color-transport-truck)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_truck\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRUCK\u0027\u003E\u003C\/i\u003E"},"plane":{"title":"Plane","color":"var(--color-transport-plane)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_plane\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_PLANE\u0027\u003E\u003C\/i\u003E"},"ride_share":{"title":"Rideshare","color":"var(--color-transport-ride_share)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_ride_share\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_RIDE_SHARE\u0027\u003E\u003C\/i\u003E"},"people":{"title":"Person","color":"var(--color-transport-people)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_people\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_PEOPLE\u0027\u003E\u003C\/i\u003E"},"walk":{"title":"Walking","color":"var(--color-transport-walk)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_walk\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_WALK\u0027\u003E\u003C\/i\u003E"},"bike":{"title":"Bicycle","color":"var(--color-transport-bike)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_bike\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_BIKE\u0027\u003E\u003C\/i\u003E"},"transfer":{"title":"Transfer","color":"var(--color-transport-transfer)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"},"subway":{"title":"Subway","color":"var(--color-transport-subway)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_subway\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_SUBWAY\u0027\u003E\u003C\/i\u003E"},"composite":{"title":"Route","color":"var(--color-transport-composite)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"},"carsharing":{"title":"Carsharing","color":"var(--color-transport-carsharing)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_carsharing\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CARSHARING\u0027\u003E\u003C\/i\u003E"},"suburban":{"title":"Electric Train","color":"var(--color-transport-suburban)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_suburban\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_SUBURBAN\u0027\u003E\u003C\/i\u003E"},"tram":{"title":"Tram","color":"var(--color-transport-tram)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_tram\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAM\u0027\u003E\u003C\/i\u003E"},"trolleybus":{"title":"Trolleybus","color":"var(--color-transport-trolleybus)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_trolleybus\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TROLLEYBUS\u0027\u003E\u003C\/i\u003E"},"cable_car":{"title":"Funicular","color":"var(--color-transport-cable_car)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_funicular\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CABLE_CAR\u0027\u003E\u003C\/i\u003E"},"rail":{"title":"Rail","color":"var(--color-transport-rail)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_train\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAIN\u0027\u003E\u003C\/i\u003E"},"ferry":{"title":"Ferry","color":"var(--color-transport-ferry)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_ferry\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_FERRY\u0027\u003E\u003C\/i\u003E"},"rent":{"title":"Rent auto","color":"var(--color-transport-rent)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_rent\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_RENT\u0027\u003E\u003C\/i\u003E"},"unknown":{"title":"Unknown","color":"var(--color-transport-unknown)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"}},"pointIcon":"\u003Ci class=\u0022icon iconmoon iconmoon-map_point\u0022 style=\u0022color:var(--color-primary)\u0022 aria-label=\u0027MAP_POINT\u0027\u003E\u003C\/i\u003E","routeId":61615345}, {"selectedTransportType":"bus","routePoints":[{"latitude":50.6196175,"longitude":26.2513165,"title":"Rivne"},{"latitude":49.68529,"longitude":19.19243,"title":"Żywiec"}],"compositeRoutePoints":[],"transportTypes":{"car":{"title":"Car","color":"var(--color-transport-car)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_car\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CAR\u0027\u003E\u003C\/i\u003E"},"taxi":{"title":"Taxi","color":"var(--color-transport-taxi)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_taxi\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TAXI\u0027\u003E\u003C\/i\u003E"},"bus":{"title":"Bus","color":"var(--color-transport-bus)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_bus\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_BUS\u0027\u003E\u003C\/i\u003E"},"train":{"title":"Train","color":"var(--color-transport-train)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_train\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAIN\u0027\u003E\u003C\/i\u003E"},"truck":{"title":"Truck","color":"var(--color-transport-truck)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_truck\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRUCK\u0027\u003E\u003C\/i\u003E"},"plane":{"title":"Plane","color":"var(--color-transport-plane)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_plane\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_PLANE\u0027\u003E\u003C\/i\u003E"},"ride_share":{"title":"Rideshare","color":"var(--color-transport-ride_share)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_ride_share\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_RIDE_SHARE\u0027\u003E\u003C\/i\u003E"},"people":{"title":"Person","color":"var(--color-transport-people)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_people\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_PEOPLE\u0027\u003E\u003C\/i\u003E"},"walk":{"title":"Walking","color":"var(--color-transport-walk)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_walk\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_WALK\u0027\u003E\u003C\/i\u003E"},"bike":{"title":"Bicycle","color":"var(--color-transport-bike)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_bike\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_BIKE\u0027\u003E\u003C\/i\u003E"},"transfer":{"title":"Transfer","color":"var(--color-transport-transfer)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"},"subway":{"title":"Subway","color":"var(--color-transport-subway)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_subway\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_SUBWAY\u0027\u003E\u003C\/i\u003E"},"composite":{"title":"Route","color":"var(--color-transport-composite)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"},"carsharing":{"title":"Carsharing","color":"var(--color-transport-carsharing)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_carsharing\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CARSHARING\u0027\u003E\u003C\/i\u003E"},"suburban":{"title":"Electric Train","color":"var(--color-transport-suburban)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_suburban\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_SUBURBAN\u0027\u003E\u003C\/i\u003E"},"tram":{"title":"Tram","color":"var(--color-transport-tram)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_tram\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAM\u0027\u003E\u003C\/i\u003E"},"trolleybus":{"title":"Trolleybus","color":"var(--color-transport-trolleybus)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_trolleybus\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TROLLEYBUS\u0027\u003E\u003C\/i\u003E"},"cable_car":{"title":"Funicular","color":"var(--color-transport-cable_car)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_funicular\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CABLE_CAR\u0027\u003E\u003C\/i\u003E"},"rail":{"title":"Rail","color":"var(--color-transport-rail)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_train\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAIN\u0027\u003E\u003C\/i\u003E"},"ferry":{"title":"Ferry","color":"var(--color-transport-ferry)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_ferry\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_FERRY\u0027\u003E\u003C\/i\u003E"},"rent":{"title":"Rent auto","color":"var(--color-transport-rent)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_rent\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_RENT\u0027\u003E\u003C\/i\u003E"},"unknown":{"title":"Unknown","color":"var(--color-transport-unknown)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"}},"pointIcon":"\u003Ci class=\u0022icon iconmoon iconmoon-map_point\u0022 style=\u0022color:var(--color-primary)\u0022 aria-label=\u0027MAP_POINT\u0027\u003E\u003C\/i\u003E","routeId":61615345}]

Cheapest and Fastest Ways to Travel from Rivne to Żywiec

Composite routes from Rivne to Żywiec