# Distance from Seoul (ICN) to Washington (OCW)

> 11,540 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,540 km / 7,170 mi / 6,231 nm
- **Estimated flight time**: 15h
- **Heading**: 20° (north northeast)
- **Return heading**: 341° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 08:16 in Seoul, it's 19:16 in Washington)
- **Elevation difference**: 14 ft (OCW is higher than ICN)

## Airports

### [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)

- City: Seoul, South Korea
- ICAO: RKSI
- Timezone: Asia/Seoul
- Coordinates: 37.470000, 126.450000
- Elevation: 23 ft

### [Washington-Warren Airport (OCW)](https://www.flightduration.online/airport/ocw-washington-washington-warren-airport/1ef266df-301d-60f6-a295-06bb2780ed98)

- City: Washington, United States
- ICAO: KOCW
- Timezone: America/New_York
- Coordinates: 35.570000, -77.050000
- Elevation: 37 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 08:16 in Seoul, it's 19:16 in Washington.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Washington-Warren Airport (OCW)](https://www.flightduration.online/airport/ocw-washington-washington-warren-airport/1ef266df-301d-60f6-a295-06bb2780ed98)
- [Flight duration calculator](/#calculator)