# Distance from Seoul (ICN) to Kosti (KST)

> 9,443 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,443 km / 5,867 mi / 5,099 nm
- **Estimated flight time**: 12h
- **Heading**: 283° (west northwest)
- **Return heading**: 53° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Sudan
- **Intercontinental**: Asia → Africa
- **Time difference**: -7h (When it's 05:08 in Seoul, it's 22:08 in Kosti)
- **Elevation difference**: 1,266 ft (KST 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

### [Kosti Airport (KST)](https://www.flightduration.online/airport/kst-kosti-kosti-airport/1ef266de-edea-6684-a9c6-06bb2780ed98)

- City: Kosti, Sudan
- ICAO: HSKI
- Timezone: Africa/Khartoum
- Coordinates: 13.180000, 32.730000
- Elevation: 1,289 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 05:08 in Seoul, it's 22:08 in Kosti.
With a 7-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)
- [Kosti Airport (KST)](https://www.flightduration.online/airport/kst-kosti-kosti-airport/1ef266de-edea-6684-a9c6-06bb2780ed98)
- [Flight duration calculator](/#calculator)