# Distance from Houston (IAH) to Twitzel (TWZ)

> 12,613 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,613 km / 7,838 mi / 6,811 nm
- **Estimated flight time**: 16h
- **Heading**: 231° (southwest)
- **Return heading**: 70° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → New Zealand
- **Intercontinental**: North America → Oceania
- **Time difference**: +17h (When it's 23:33 in Houston, it's 16:33 in Twitzel)
- **Elevation difference**: 1,479 ft (TWZ 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

### [Pukaki Airport (TWZ)](https://www.flightduration.online/airport/twz-twitzel-pukaki-airport/1ef266df-780c-611e-ac06-06bb2780ed98)

- City: Twitzel, New Zealand
- ICAO: NZUK
- Timezone: Pacific/Auckland
- Coordinates: -44.230000, 170.120000
- Elevation: 1,575 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 23:33 in Houston, it's 16:33 in Twitzel.
With a 17-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)
- [Pukaki Airport (TWZ)](https://www.flightduration.online/airport/twz-twitzel-pukaki-airport/1ef266df-780c-611e-ac06-06bb2780ed98)
- [Flight duration calculator](/#calculator)