# Distance from Guam (GUM) to Houston (IAH)

> 11,967 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,967 km / 7,436 mi / 6,462 nm
- **Estimated flight time**: 15h
- **Heading**: 52° (northeast)
- **Return heading**: 298° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Guam) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -15h (When it's 22:23 in Guam, it's 07:23 in Houston)
- **Elevation difference**: 209 ft (IAH is lower than GUM)

## Airports

### [Guam International Airport (GUM)](https://www.flightduration.online/airport/gum-guam-guam-international-airport/1ef266df-8912-69f4-a6c4-06bb2780ed98)

- City: Guam, Guam
- ICAO: PGUM
- Timezone: Pacific/Guam
- Coordinates: 13.500000, 144.800000
- Elevation: 305 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 22:23 in Guam, it's 07:23 in Houston.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Guam International Airport (GUM)](https://www.flightduration.online/airport/gum-guam-guam-international-airport/1ef266df-8912-69f4-a6c4-06bb2780ed98)
- [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)