# Distance from Istanbul (IST) to Osan Air Base (OSN)

> 7,989 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,989 km / 4,964 mi / 4,314 nm
- **Estimated flight time**: 10h
- **Heading**: 56° (northeast)
- **Return heading**: 308° (northwest)
- **Classification**: Long-haul
- **Type**: International (Turkey) → South Korea
- **Time difference**: +6h (When it's 18:32 in Istanbul, it's 00:32 in Osan Air Base)
- **Elevation difference**: 287 ft (OSN is lower than IST)

## Airports

### [Istanbul Airport (IST)](https://www.flightduration.online/airport/ist-istanbul-istanbul-airport/1ef266df-5964-637e-b8a8-06bb2780ed98)

- City: Istanbul, Turkey
- ICAO: LTFM
- Timezone: Europe/Istanbul
- Coordinates: 41.280000, 28.750000
- Elevation: 325 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 long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 18:32 in Istanbul, it's 00:32 in Osan Air Base.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Istanbul Airport (IST)](https://www.flightduration.online/airport/ist-istanbul-istanbul-airport/1ef266df-5964-637e-b8a8-06bb2780ed98)
- [Osan Air Base (OSN)](https://www.flightduration.online/airport/osn-osan-air-base/1ef266df-8e18-641c-9d4f-06bb2780ed98)
- [Flight duration calculator](/#calculator)