# Distance from Fort Huachuca Sierra Vista (FHU) to Seoul (ICN)

> 10,337 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,337 km / 6,423 mi / 5,581 nm
- **Estimated flight time**: 13h
- **Heading**: 318° (northwest)
- **Return heading**: 46° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +16h (When it's 03:15 in Fort Huachuca Sierra Vista, it's 19:15 in Seoul)
- **Elevation difference**: 4,696 ft (ICN is lower than FHU)

## Airports

### [Sierra Vista Municipal-Libby Army Air Field (FHU)](https://www.flightduration.online/airport/fhu-fort-huachuca-sierra-vista-sierra-vista-municipal-libby-army-air-field/1ef266df-1c2e-6e8c-b8ac-06bb2780ed98)

- City: Fort Huachuca Sierra Vista, United States
- ICAO: KFHU
- Timezone: America/Phoenix
- Coordinates: 31.590000, -110.340000
- Elevation: 4,719 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 03:15 in Fort Huachuca Sierra Vista, it's 19:15 in Seoul.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Sierra Vista Municipal-Libby Army Air Field (FHU)](https://www.flightduration.online/airport/fhu-fort-huachuca-sierra-vista-sierra-vista-municipal-libby-army-air-field/1ef266df-1c2e-6e8c-b8ac-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)