# Distance from Seoul (ICN) to Souanke (SOE)

> 11,811 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,811 km / 7,339 mi / 6,377 nm
- **Estimated flight time**: 15h
- **Heading**: 286° (west northwest)
- **Return heading**: 50° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Congo
- **Intercontinental**: Asia → Africa
- **Time difference**: -8h (When it's 12:20 in Seoul, it's 04:20 in Souanke)
- **Elevation difference**: 1,699 ft (SOE 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

### [Souanke Airport (SOE)](https://www.flightduration.online/airport/soe-souanke-souanke-airport/1ef266de-d6a0-6398-a6de-06bb2780ed98)

- City: Souanke, Congo
- ICAO: FCOS
- Timezone: Africa/Brazzaville
- Coordinates: 2.070000, 14.130000
- Elevation: 1,722 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 12:20 in Seoul, it's 04:20 in Souanke.
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)
- [Souanke Airport (SOE)](https://www.flightduration.online/airport/soe-souanke-souanke-airport/1ef266de-d6a0-6398-a6de-06bb2780ed98)
- [Flight duration calculator](/#calculator)