# Distance from Au (GRL) to Houston (IAH)

> 13,087 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 13,087 km / 8,132 mi / 7,067 nm
- **Estimated flight time**: 16h
- **Heading**: 60° (east northeast)
- **Return heading**: 277° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Papua New Guinea) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -15h (When it's 10:40 in Au, it's 19:40 in Houston)
- **Elevation difference**: 2,443 ft (IAH is lower than GRL)

## Airports

### [Garasa Airport (GRL)](https://www.flightduration.online/airport/grl-au-garasa-airport/1ef266de-9b3b-6c4e-9620-06bb2780ed98)

- City: Au, Papua New Guinea
- ICAO: AYGG
- Timezone: Pacific/Port_Moresby
- Coordinates: -7.980000, 147.210000
- Elevation: 2,539 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 10:40 in Au, it's 19:40 in Houston.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Garasa Airport (GRL)](https://www.flightduration.online/airport/grl-au-garasa-airport/1ef266de-9b3b-6c4e-9620-06bb2780ed98)
- [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)