# Distance from Alliance (AIA) to Seoul (ICN)

> 9,863 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,863 km / 6,128 mi / 5,325 nm
- **Estimated flight time**: 13h
- **Heading**: 323° (northwest)
- **Return heading**: 34° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 12:17 in Alliance, it's 03:17 in Seoul)
- **Elevation difference**: 3,908 ft (ICN is lower than AIA)

## Airports

### [Alliance Municipal Airport (AIA)](https://www.flightduration.online/airport/aia-alliance-alliance-municipal-airport/1ef266df-0dba-689c-a5a9-06bb2780ed98)

- City: Alliance, United States
- ICAO: KAIA
- Timezone: America/Denver
- Coordinates: 42.050000, -102.800000
- Elevation: 3,931 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 12:17 in Alliance, it's 03:17 in Seoul.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Alliance Municipal Airport (AIA)](https://www.flightduration.online/airport/aia-alliance-alliance-municipal-airport/1ef266df-0dba-689c-a5a9-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)