# Distance from Seoul (GMP) to Johannesburg (JNB)

> 12,452 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,452 km / 7,737 mi / 6,723 nm
- **Estimated flight time**: 16h
- **Heading**: 253° (west southwest)
- **Return heading**: 58° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → South Africa
- **Intercontinental**: Asia → Africa
- **Time difference**: -7h (When it's 21:59 in Seoul, it's 14:59 in Johannesburg)
- **Elevation difference**: 5,500 ft (JNB is higher than GMP)

## Airports

### [Gimpo International Airport (GMP)](https://www.flightduration.online/airport/gmp-seoul-gimpo-international-airport/1ef266df-8e1d-67f0-9b6a-06bb2780ed98)

- City: Seoul, South Korea
- ICAO: RKSS
- Timezone: Asia/Seoul
- Coordinates: 37.560000, 126.790000
- Elevation: 58 ft

### [O. R. Tambo International Airport (JNB)](https://www.flightduration.online/airport/jnb-johannesburg-o-r-tambo-international-airport/1ef266de-d3b0-6ec6-b1f2-06bb2780ed98)

- City: Johannesburg, South Africa
- ICAO: FAOR
- Timezone: Africa/Johannesburg
- Coordinates: -26.130000, 28.240000
- Elevation: 5,558 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 21:59 in Seoul, it's 14:59 in Johannesburg.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Gimpo International Airport (GMP)](https://www.flightduration.online/airport/gmp-seoul-gimpo-international-airport/1ef266df-8e1d-67f0-9b6a-06bb2780ed98)
- [O. R. Tambo International Airport (JNB)](https://www.flightduration.online/airport/jnb-johannesburg-o-r-tambo-international-airport/1ef266de-d3b0-6ec6-b1f2-06bb2780ed98)
- [Flight duration calculator](/#calculator)