# Distance from Seoul (ICN) to Welkom (WEL)

> 12,662 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,662 km / 7,868 mi / 6,837 nm
- **Estimated flight time**: 16h
- **Heading**: 252° (west southwest)
- **Return heading**: 59° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → South Africa
- **Intercontinental**: Asia → Africa
- **Time difference**: -7h (When it's 18:34 in Seoul, it's 11:34 in Welkom)
- **Elevation difference**: 4,376 ft (WEL 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

### [Welkom Airport (WEL)](https://www.flightduration.online/airport/wel-welkom-welkom-airport/1ef266de-d571-6ed6-9b51-06bb2780ed98)

- City: Welkom, South Africa
- ICAO: FAWM
- Timezone: Africa/Johannesburg
- Coordinates: -28.000000, 26.670000
- Elevation: 4,399 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 18:34 in Seoul, it's 11:34 in Welkom.
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)
- [Welkom Airport (WEL)](https://www.flightduration.online/airport/wel-welkom-welkom-airport/1ef266de-d571-6ed6-9b51-06bb2780ed98)
- [Flight duration calculator](/#calculator)