# Distance from Chengdu (CTU) to Osan Air Base (OSN)

> 2,244 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,244 km / 1,395 mi / 1,212 nm
- **Estimated flight time**: 4h
- **Heading**: 65° (east northeast)
- **Return heading**: 258° (west southwest)
- **Classification**: Medium-haul
- **Type**: International (China) → South Korea
- **Time difference**: +1h (When it's 18:38 in Chengdu, it's 19:38 in Osan Air Base)
- **Elevation difference**: 1,587 ft (OSN is lower than CTU)

## Airports

### [Chengdu Shuangliu International Airport (CTU)](https://www.flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)

- City: Chengdu, China
- ICAO: ZUUU
- Timezone: Asia/Shanghai
- Coordinates: 30.580000, 103.950000
- Elevation: 1,625 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 medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 18:38 in Chengdu, it's 19:38 in Osan Air Base.

## Related

- [Chengdu Shuangliu International Airport (CTU)](https://www.flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)
- [Osan Air Base (OSN)](https://www.flightduration.online/airport/osn-osan-air-base/1ef266df-8e18-641c-9d4f-06bb2780ed98)
- [Flight duration calculator](/#calculator)