# Distance from Houston (IAH) to Khon Kaen (KKC)

> 14,497 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,497 km / 9,008 mi / 7,828 nm
- **Estimated flight time**: 18h
- **Heading**: 337° (north northwest)
- **Return heading**: 21° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 21:24 in Houston, it's 09:24 in Khon Kaen)
- **Elevation difference**: 574 ft (KKC is higher 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

### [Khon Kaen Airport (KKC)](https://www.flightduration.online/airport/kkc-khon-kaen-khon-kaen-airport/1ef266df-f5ca-60a6-acec-06bb2780ed98)

- City: Khon Kaen, Thailand
- ICAO: VTUK
- Timezone: Asia/Bangkok
- Coordinates: 16.470000, 102.780000
- Elevation: 670 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 21:24 in Houston, it's 09:24 in Khon Kaen.
With a 12-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)
- [Khon Kaen Airport (KKC)](https://www.flightduration.online/airport/kkc-khon-kaen-khon-kaen-airport/1ef266df-f5ca-60a6-acec-06bb2780ed98)
- [Flight duration calculator](/#calculator)