# Distance from Seoul (ICN) to Osan Air Base (OSN)

> 66 km · estimated flight time 1h · Regional route.

## Summary

- **Distance**: 66 km / 41 mi / 36 nm
- **Estimated flight time**: 1h
- **Heading**: 129° (southeast)
- **Return heading**: 310° (northwest)
- **Classification**: Regional
- **Type**: Domestic (South Korea)
- **Time difference**: +0h (When it's 07:24 in Seoul, it's 07:24 in Osan Air Base)
- **Elevation difference**: 15 ft (OSN 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

### [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 a short regional route, typically operated by turboprop or small regional jet aircraft. Flight time is minimal and passengers can expect a quick, efficient journey.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Osan Air Base (OSN)](https://www.flightduration.online/airport/osn-osan-air-base/1ef266df-8e18-641c-9d4f-06bb2780ed98)
- [Flight duration calculator](/#calculator)