Crossing brief
How far is it from United States to South Korea?
Washington, D.C. to Seoul
- Distance
- 11,165 km
- In miles
- 6,938 mi
- Flight time
- 15 h 23 min
- Time change
- 13 h east
Distance is the great-circle distance between the capitals (Washington, D.C. and Seoul); flight time is an estimate for a non-stop route at cruising speed. Real schedules vary with routing, winds and connections.
This is a ultra-long-haul route: among the 59 countries we cover, South Korea is the #45 closest to United States, making it one of the more distant destinations.
Crossing from United States to South Korea
The practical differences you will notice on this specific trip.
| Time on arrival | You fly east and lose 13 h. On arrival your body clock reads 13 h behind local time — eastward trips take a little longer to adjust to. |
|---|---|
| Power | Pack a plug adapter — South Korea uses Type C/F sockets your United States plugs do not fit. Voltage changes from 120V to 220V, so check single-voltage devices. |
| Money | 1 USD = 1,548.850 KRW — exchange US Dollar for South Korean Won before or on arrival. |
Common questions
How far is United States from South Korea?
About 11,165 km (6,938 miles) in a straight line between the two capitals.
How long is the flight from United States to South Korea?
A non-stop flight takes roughly 15 h 23 min, though actual times depend on the exact airports and routing.
Will I be jet-lagged flying to South Korea?
You fly east and lose 13 h. On arrival your body clock reads 13 h behind local time — eastward trips take a little longer to adjust to.
Updated July 2, 2026