# Distance from Geneva (GVA) to Osan Air Base (OSN)

> 9,035 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,035 km / 5,614 mi / 4,878 nm
- **Estimated flight time**: 12h
- **Heading**: 44° (northeast)
- **Return heading**: 323° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Switzerland) → South Korea
- **Intercontinental**: Europe → Asia
- **Time difference**: +7h (When it's 21:27 in Geneva, it's 04:27 in Osan Air Base)
- **Elevation difference**: 1,373 ft (OSN is lower than GVA)

## Airports

### [Geneva Cointrin International Airport (GVA)](https://www.flightduration.online/airport/gva-geneva-geneva-cointrin-international-airport/1ef266df-572a-6d10-8497-06bb2780ed98)

- City: Geneva, Switzerland
- ICAO: LSGG
- Timezone: Europe/Zurich
- Coordinates: 46.240000, 6.110000
- Elevation: 1,411 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 21:27 in Geneva, it's 04:27 in Osan Air Base.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Geneva Cointrin International Airport (GVA)](https://www.flightduration.online/airport/gva-geneva-geneva-cointrin-international-airport/1ef266df-572a-6d10-8497-06bb2780ed98)
- [Osan Air Base (OSN)](https://www.flightduration.online/airport/osn-osan-air-base/1ef266df-8e18-641c-9d4f-06bb2780ed98)
- [Flight duration calculator](/#calculator)