Crossing brief
How far is it from South Korea to Japan?
Distance
It is about 1,149 km (714 mi) from South Korea to Japan as the crow flies — roughly 2 h 2 min by non-stop flight.
Seoul to Tokyo
South Korea → Japan
- Distance
- 1,149 km
- In miles
- 714 mi
- Flight time
- 2 h 2 min
- Time change
- 0 h
Distance is the great-circle distance between the capitals (Seoul and Tokyo); flight time is an estimate for a non-stop route at cruising speed. Real schedules vary with routing, winds and connections.
This is a short-haul route: among the 59 countries we cover, Japan is the #2 closest to South Korea, making it one of the closer destinations.
Crossing from South Korea to Japan
The practical differences you will notice on this specific trip.
| Time on arrival | No change from South Korea |
|---|---|
| Power | Pack a plug adapter — Japan uses Type A/B sockets your South Korea plugs do not fit. Voltage changes from 220V to 100V, so check single-voltage devices. |
| Money | 1 KRW = 0.104 JPY — exchange South Korean Won for Japanese Yen before or on arrival. |
Common questions
How far is South Korea from Japan?
About 1,149 km (714 miles) in a straight line between the two capitals.
How long is the flight from South Korea to Japan?
A non-stop flight takes roughly 2 h 2 min, though actual times depend on the exact airports and routing.
Will I be jet-lagged flying to Japan?
There is no time change, so jet lag should be minimal.
Updated July 2, 2026