# Distance from Hanoi (HAN) to Baytown (HPY)

> 13,923 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,923 km / 8,652 mi / 7,518 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 21:05 in Hanoi, it's 09:05 in Baytown)
- **Elevation difference**: 5 ft (HPY is lower 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

### [Baytown Airport (HPY)](https://www.flightduration.online/airport/hpy-baytown-baytown-airport/1ef266df-212c-6614-91d3-06bb2780ed98)

- City: Baytown, United States
- ICAO: KHPY
- Timezone: America/Chicago
- Coordinates: 29.790000, -94.950000
- Elevation: 34 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 21:05 in Hanoi, it's 09:05 in Baytown.
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)
- [Baytown Airport (HPY)](https://www.flightduration.online/airport/hpy-baytown-baytown-airport/1ef266df-212c-6614-91d3-06bb2780ed98)
- [Flight duration calculator](/#calculator)