# Distance from Seoul (ICN) to Koulamoutou (KOU)

> 12,187 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,187 km / 7,572 mi / 6,580 nm
- **Estimated flight time**: 15h
- **Heading**: 284° (west northwest)
- **Return heading**: 50° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Gabon
- **Intercontinental**: Asia → Africa
- **Time difference**: -8h (When it's 10:50 in Seoul, it's 02:50 in Koulamoutou)
- **Elevation difference**: 1,047 ft (KOU 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

### [Koulamoutou Airport (KOU)](https://www.flightduration.online/airport/kou-koulamoutou-koulamoutou-airport/1ef266de-dd33-64b2-8b27-06bb2780ed98)

- City: Koulamoutou, Gabon
- ICAO: FOGK
- Timezone: Africa/Libreville
- Coordinates: -1.180000, 12.440000
- Elevation: 1,070 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 10:50 in Seoul, it's 02:50 in Koulamoutou.
With a 8-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)
- [Koulamoutou Airport (KOU)](https://www.flightduration.online/airport/kou-koulamoutou-koulamoutou-airport/1ef266de-dd33-64b2-8b27-06bb2780ed98)
- [Flight duration calculator](/#calculator)