# Distance from Haiphong (HPH) to Houston (IAH)

> 13,893 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,893 km / 8,633 mi / 7,502 nm
- **Estimated flight time**: 17h
- **Heading**: 23° (north northeast)
- **Return heading**: 335° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Vietnam) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 13:21 in Haiphong, it's 01:21 in Houston)
- **Elevation difference**: 90 ft (IAH is higher than HPH)

## Airports

### [Cat Bi International Airport (HPH)](https://www.flightduration.online/airport/hph-haiphong-cat-bi-international-airport/1ef266df-f5ff-699a-88e2-06bb2780ed98)

- City: Haiphong, Vietnam
- ICAO: VVCI
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 20.820000, 106.720000
- Elevation: 6 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 13:21 in Haiphong, it's 01:21 in Houston.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Cat Bi International Airport (HPH)](https://www.flightduration.online/airport/hph-haiphong-cat-bi-international-airport/1ef266df-f5ff-699a-88e2-06bb2780ed98)
- [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)