# Distance from Seoul (ICN) to Saint Louis (XLS)

> 12,912 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,912 km / 8,023 mi / 6,972 nm
- **Estimated flight time**: 16h
- **Heading**: 320° (northwest)
- **Return heading**: 32° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Senegal
- **Intercontinental**: Asia → Africa
- **Time difference**: -9h (When it's 02:54 in Seoul, it's 17:54 in Saint Louis)
- **Elevation difference**: 14 ft (XLS is lower 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

### [Saint Louis Airport (XLS)](https://www.flightduration.online/airport/xls-saint-louis-saint-louis-airport/1ef266de-e906-6d16-ad50-06bb2780ed98)

- City: Saint Louis, Senegal
- ICAO: GOSS
- Timezone: Africa/Dakar
- Coordinates: 16.050000, -16.460000
- Elevation: 9 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 02:54 in Seoul, it's 17:54 in Saint Louis.
With a 9-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)
- [Saint Louis Airport (XLS)](https://www.flightduration.online/airport/xls-saint-louis-saint-louis-airport/1ef266de-e906-6d16-ad50-06bb2780ed98)
- [Flight duration calculator](/#calculator)