# Distance from Johannesburg (JNB) to Osan Air Base (OSN)

> 12,457 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,457 km / 7,740 mi / 6,726 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 17:18 in Johannesburg, it's 00:18 in Osan Air Base)
- **Elevation difference**: 5,520 ft (OSN is lower than JNB)

## Airports

### [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

### [Osan Air Base (OSN)](https://www.flightduration.online/airport/osn-osan-air-base/1ef266df-8e18-641c-9d4f-06bb2780ed98)

- City: Osan Air Base, South Korea
- ICAO: RKSO
- Timezone: Asia/Seoul
- Coordinates: 37.090000, 127.030000
- Elevation: 38 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 17:18 in Johannesburg, it's 00:18 in Osan Air Base.
With a 7-hour time difference, expect significant jet lag.

## Related

- [O. R. Tambo International Airport (JNB)](https://www.flightduration.online/airport/jnb-johannesburg-o-r-tambo-international-airport/1ef266de-d3b0-6ec6-b1f2-06bb2780ed98)
- [Osan Air Base (OSN)](https://www.flightduration.online/airport/osn-osan-air-base/1ef266df-8e18-641c-9d4f-06bb2780ed98)
- [Flight duration calculator](/#calculator)