# Distance from Houston (IAH) to Thanh Hóa (THD)

> 14,038 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,038 km / 8,723 mi / 7,580 nm
- **Estimated flight time**: 18h
- **Heading**: 336° (north northwest)
- **Return heading**: 22° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Vietnam
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 18:27 in Houston, it's 06:27 in Thanh Hóa)
- **Elevation difference**: 37 ft (THD 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

### [Thọ Xuân Airport (THD)](https://www.flightduration.online/airport/thd-thanh-hoa-tho-xuan-airport/1ef266df-f665-689e-be45-06bb2780ed98)

- City: Thanh Hóa, Vietnam
- ICAO: VVTX
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 19.900000, 105.470000
- Elevation: 59 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 18:27 in Houston, it's 06:27 in Thanh Hóa.
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)
- [Thọ Xuân Airport (THD)](https://www.flightduration.online/airport/thd-thanh-hoa-tho-xuan-airport/1ef266df-f665-689e-be45-06bb2780ed98)
- [Flight duration calculator](/#calculator)