# Distance from Fort Leavenworth (FLV) to Seoul (ICN)

> 10,483 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,483 km / 6,514 mi / 5,661 nm
- **Estimated flight time**: 13h
- **Heading**: 328° (north northwest)
- **Return heading**: 31° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 07:12 in Fort Leavenworth, it's 21:12 in Seoul)
- **Elevation difference**: 748 ft (ICN is lower than FLV)

## Airports

### [Sherman Army Air Field (FLV)](https://www.flightduration.online/airport/flv-fort-leavenworth-sherman-army-air-field/1ef266df-1c75-66ac-b5ff-06bb2780ed98)

- City: Fort Leavenworth, United States
- ICAO: KFLV
- Timezone: America/Chicago
- Coordinates: 39.370000, -94.910000
- Elevation: 771 ft

### [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

## 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 07:12 in Fort Leavenworth, it's 21:12 in Seoul.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Sherman Army Air Field (FLV)](https://www.flightduration.online/airport/flv-fort-leavenworth-sherman-army-air-field/1ef266df-1c75-66ac-b5ff-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)