# Distance from Hanoi (HAN) to Houston (IAH)

> 13,889 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,889 km / 8,630 mi / 7,499 nm
- **Estimated flight time**: 17h
- **Heading**: 22° (north northeast)
- **Return heading**: 336° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Vietnam) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 14:39 in Hanoi, it's 02:39 in Houston)
- **Elevation difference**: 57 ft (IAH is higher than HAN)

## Airports

### [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)

- City: Hanoi, Vietnam
- ICAO: VVNB
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 21.220000, 105.810000
- Elevation: 39 ft

### [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

## 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 14:39 in Hanoi, it's 02:39 in Houston.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Flight duration calculator](/#calculator)