# Distance from Seoul (ICN) to Leonardtown (LTW)

> 11,264 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,264 km / 6,999 mi / 6,082 nm
- **Estimated flight time**: 14h
- **Heading**: 18° (north northeast)
- **Return heading**: 342° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 19:55 in Seoul, it's 06:55 in Leonardtown)
- **Elevation difference**: 119 ft (LTW 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

### [St Mary's County Regional Airport (LTW)](https://www.flightduration.online/airport/ltw-leonardtown-st-marys-county-regional-airport/1ef266de-fd00-6ff6-a63d-06bb2780ed98)

- City: Leonardtown, United States
- ICAO: K2W6
- Timezone: America/New_York
- Coordinates: 38.320000, -76.550000
- Elevation: 142 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 19:55 in Seoul, it's 06:55 in Leonardtown.
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)
- [St Mary's County Regional Airport (LTW)](https://www.flightduration.online/airport/ltw-leonardtown-st-marys-county-regional-airport/1ef266de-fd00-6ff6-a63d-06bb2780ed98)
- [Flight duration calculator](/#calculator)