# Distance from Houston (IAH) to Gwangju (KWJ)

> 11,536 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,536 km / 7,168 mi / 6,229 nm
- **Estimated flight time**: 15h
- **Heading**: 326° (northwest)
- **Return heading**: 37° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 09:59 in Houston, it's 23:59 in Gwangju)
- **Elevation difference**: 57 ft (KWJ is lower than IAH)

## Airports

### [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)

- City: Houston, United States
- ICAO: KIAH
- Timezone: America/Chicago
- Coordinates: 29.980000, -95.340000
- Elevation: 96 ft

### [Gwangju Airport (KWJ)](https://www.flightduration.online/airport/kwj-gwangju-gwangju-airport/1ef266df-8da2-6122-9110-06bb2780ed98)

- City: Gwangju, South Korea
- ICAO: RKJJ
- Timezone: Asia/Seoul
- Coordinates: 35.130000, 126.810000
- Elevation: 39 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 09:59 in Houston, it's 23:59 in Gwangju.
With a 14-hour time difference, expect significant jet lag.

## Related

- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Gwangju Airport (KWJ)](https://www.flightduration.online/airport/kwj-gwangju-gwangju-airport/1ef266df-8da2-6122-9110-06bb2780ed98)
- [Flight duration calculator](/#calculator)