# Distance from Houston (IAH) to Thakhek (THK)

> 14,322 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,322 km / 8,899 mi / 7,733 nm
- **Estimated flight time**: 18h
- **Heading**: 335° (north northwest)
- **Return heading**: 23° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Laos
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 23:48 in Houston, it's 11:48 in Thakhek)
- **Elevation difference**: 353 ft (THK 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

### [Thakhek Airport (THK)](https://www.flightduration.online/airport/thk-thakhek-thakhek-airport/1ef266df-f29f-6052-be01-06bb2780ed98)

- City: Thakhek, Laos
- ICAO: VLTK
- Timezone: Asia/Bangkok
- Coordinates: 17.400000, 104.800000
- Elevation: 449 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 23:48 in Houston, it's 11:48 in Thakhek.
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)
- [Thakhek Airport (THK)](https://www.flightduration.online/airport/thk-thakhek-thakhek-airport/1ef266df-f29f-6052-be01-06bb2780ed98)
- [Flight duration calculator](/#calculator)