# Distance from Chickasha (CHK) to Seoul (ICN)

> 10,735 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,735 km / 6,671 mi / 5,797 nm
- **Estimated flight time**: 14h
- **Heading**: 326° (northwest)
- **Return heading**: 35° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 01:51 in Chickasha, it's 15:51 in Seoul)
- **Elevation difference**: 1,129 ft (ICN is lower than CHK)

## Airports

### [Chickasha Municipal Airport (CHK)](https://www.flightduration.online/airport/chk-chickasha-chickasha-municipal-airport/1ef266df-13bc-663c-879a-06bb2780ed98)

- City: Chickasha, United States
- ICAO: KCHK
- Timezone: America/Chicago
- Coordinates: 35.100000, -97.970000
- Elevation: 1,152 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 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 01:51 in Chickasha, it's 15:51 in Seoul.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Chickasha Municipal Airport (CHK)](https://www.flightduration.online/airport/chk-chickasha-chickasha-municipal-airport/1ef266df-13bc-663c-879a-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)