# Distance from Houston (IAH) to Phan Thiet (PHH)

> 14,823 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,823 km / 9,211 mi / 8,004 nm
- **Estimated flight time**: 18h
- **Heading**: 328° (north northwest)
- **Return heading**: 28° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Vietnam
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 16:59 in Houston, it's 04:59 in Phan Thiet)
- **Elevation difference**: 96 ft (PHH 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

### [Phan Thiet Airport (PHH)](https://www.flightduration.online/airport/phh-phan-thiet-phan-thiet-airport/1ef266df-f654-6ad0-9ce2-06bb2780ed98)

- City: Phan Thiet, Vietnam
- ICAO: VVPT
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 10.910000, 108.070000
- Elevation: 0 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 16:59 in Houston, it's 04:59 in Phan Thiet.
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)
- [Phan Thiet Airport (PHH)](https://www.flightduration.online/airport/phh-phan-thiet-phan-thiet-airport/1ef266df-f654-6ad0-9ce2-06bb2780ed98)
- [Flight duration calculator](/#calculator)