# Distance from Seoul (ICN) to Nkayi (NKY)

> 12,328 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,328 km / 7,660 mi / 6,657 nm
- **Estimated flight time**: 16h
- **Heading**: 281° (west)
- **Return heading**: 51° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Congo
- **Intercontinental**: Asia → Africa
- **Time difference**: -8h (When it's 09:43 in Seoul, it's 01:43 in Nkayi)
- **Elevation difference**: 518 ft (NKY 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

### [Yokangassi Airport (NKY)](https://www.flightduration.online/airport/nky-nkayi-yokangassi-airport/1ef266de-d643-6620-8f12-06bb2780ed98)

- City: Nkayi, Congo
- ICAO: FCBY
- Timezone: Africa/Brazzaville
- Coordinates: -4.220000, 13.280000
- Elevation: 541 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 09:43 in Seoul, it's 01:43 in Nkayi.
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)
- [Yokangassi Airport (NKY)](https://www.flightduration.online/airport/nky-nkayi-yokangassi-airport/1ef266de-d643-6620-8f12-06bb2780ed98)
- [Flight duration calculator](/#calculator)