Crossing brief
How far is it from South Korea to United States?
Seoul to Washington, D.C.
- Distance
- 11,165 km
- In miles
- 6,938 mi
- Flight time
- 15 h 23 min
- Time change
- 13 h west
Distance is the great-circle distance between the capitals (Seoul and Washington, D.C.); 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, United States is the #49 closest to South Korea, making it one of the more distant destinations.
Crossing from South Korea to United States
The practical differences you will notice on this specific trip.
| Time on arrival | You fly west and gain 13 h. On arrival your body clock reads 13 h ahead of local time — westward trips are usually easier to shake off. |
|---|---|
| Power | Pack a plug adapter — United States uses Type A/B sockets your South Korea plugs do not fit. Voltage changes from 220V to 120V, so check single-voltage devices. |
| Money | 1 KRW = 0.001 USD — exchange South Korean Won for US Dollar before or on arrival. |
Common questions
How far is South Korea from United States?
About 11,165 km (6,938 miles) in a straight line between the two capitals.
How long is the flight from South Korea to United States?
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 United States?
You fly west and gain 13 h. On arrival your body clock reads 13 h ahead of local time — westward trips are usually easier to shake off.
Updated July 2, 2026