# Distance from Houston (IAH) to Nuku'alofa (TBU)

> 10,251 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,251 km / 6,370 mi / 5,535 nm
- **Estimated flight time**: 13h
- **Heading**: 247° (west southwest)
- **Return heading**: 59° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Tonga
- **Intercontinental**: North America → Oceania
- **Time difference**: +18h (When it's 17:50 in Houston, it's 11:50 in Nuku'alofa)
- **Elevation difference**: 30 ft (TBU is higher 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

### [Fua'amotu International Airport (TBU)](https://www.flightduration.online/airport/tbu-nukualofa-fuaamotu-international-airport/1ef266df-705a-6d44-bad4-06bb2780ed98)

- City: Nuku'alofa, Tonga
- ICAO: NFTF
- Timezone: Pacific/Tongatapu
- Coordinates: -21.240000, -175.150000
- Elevation: 126 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 17:50 in Houston, it's 11:50 in Nuku'alofa.
With a 18-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)
- [Fua'amotu International Airport (TBU)](https://www.flightduration.online/airport/tbu-nukualofa-fuaamotu-international-airport/1ef266df-705a-6d44-bad4-06bb2780ed98)
- [Flight duration calculator](/#calculator)