# Distance from Houston (IAH) to Riyadh (XXN)

> 12,711 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,711 km / 7,899 mi / 6,864 nm
- **Estimated flight time**: 16h
- **Heading**: 38° (northeast)
- **Return heading**: 324° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Saudi Arabia
- **Intercontinental**: North America → Asia
- **Time difference**: +8h (When it's 19:58 in Houston, it's 03:58 in Riyadh)
- **Elevation difference**: 1,986 ft (XXN 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

### [Riyadh Air Base (XXN)](https://www.flightduration.online/airport/xxn-riyadh-riyadh-air-base/1ef266df-79dd-63c6-8f2e-06bb2780ed98)

- City: Riyadh, Saudi Arabia
- ICAO: OERY
- Timezone: Asia/Riyadh
- Coordinates: 24.710000, 46.730000
- Elevation: 2,082 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 19:58 in Houston, it's 03:58 in Riyadh.
With a 8-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)
- [Riyadh Air Base (XXN)](https://www.flightduration.online/airport/xxn-riyadh-riyadh-air-base/1ef266df-79dd-63c6-8f2e-06bb2780ed98)
- [Flight duration calculator](/#calculator)