# Distance from Gachsaran Airport (GCH) to Seoul (ICN)

> 6,837 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,837 km / 4,248 mi / 3,692 nm
- **Estimated flight time**: 9h
- **Heading**: 61° (east northeast)
- **Return heading**: 288° (west northwest)
- **Classification**: Long-haul
- **Type**: International (Iran) → South Korea
- **Time difference**: +5.5h (When it's 03:25 in Gachsaran Airport, it's 08:55 in Seoul)
- **Elevation difference**: 2,391 ft (ICN is lower than GCH)

## Airports

### [Gachsaran Airport (GCH)](https://www.flightduration.online/airport/gch-gachsaran-airport/1ef266df-7cc9-6e22-ba9b-06bb2780ed98)

- City: Gachsaran Airport, Iran
- ICAO: OIAH
- Timezone: Asia/Tehran
- Coordinates: 30.340000, 50.830000
- Elevation: 2,414 ft

### [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

## 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 03:25 in Gachsaran Airport, it's 08:55 in Seoul.
The 5.5-hour time difference may cause some jet lag.

## Related

- [Gachsaran Airport (GCH)](https://www.flightduration.online/airport/gch-gachsaran-airport/1ef266df-7cc9-6e22-ba9b-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)