# Distance from Houston (IAH) to Roi Et Airport (ROI)

> 14,495 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,495 km / 9,007 mi / 7,827 nm
- **Estimated flight time**: 18h
- **Heading**: 336° (north northwest)
- **Return heading**: 22° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 03:27 in Houston, it's 15:27 in Roi Et Airport)
- **Elevation difference**: 355 ft (ROI 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

### [Roi Et Airport (ROI)](https://www.flightduration.online/airport/roi-roi-et-airport/1ef266df-f5e7-6d68-8abb-06bb2780ed98)

- City: Roi Et Airport, Thailand
- ICAO: VTUV
- Timezone: Asia/Bangkok
- Coordinates: 16.120000, 103.770000
- Elevation: 451 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 03:27 in Houston, it's 15:27 in Roi Et Airport.
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)
- [Roi Et Airport (ROI)](https://www.flightduration.online/airport/roi-roi-et-airport/1ef266df-f5e7-6d68-8abb-06bb2780ed98)
- [Flight duration calculator](/#calculator)