# Distance from Johannesburg (HLA) to Seoul (ICN)

> 12,435 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,435 km / 7,727 mi / 6,714 nm
- **Estimated flight time**: 16h
- **Heading**: 58° (east northeast)
- **Return heading**: 253° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Africa) → South Korea
- **Intercontinental**: Africa → Asia
- **Time difference**: +7h (When it's 00:26 in Johannesburg, it's 07:26 in Seoul)
- **Elevation difference**: 4,494 ft (ICN is lower than HLA)

## Airports

### [Lanseria Airport (HLA)](https://www.flightduration.online/airport/hla-johannesburg-lanseria-airport/1ef266de-d2c6-6c40-94de-06bb2780ed98)

- City: Johannesburg, South Africa
- ICAO: FALA
- Timezone: Africa/Johannesburg
- Coordinates: -25.940000, 27.930000
- Elevation: 4,517 ft

### [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

## 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 00:26 in Johannesburg, it's 07:26 in Seoul.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Lanseria Airport (HLA)](https://www.flightduration.online/airport/hla-johannesburg-lanseria-airport/1ef266de-d2c6-6c40-94de-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)