# Distance from Fort Cavazos (Killeen) (HLR) to Riyadh (RUH)

> 12,722 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,722 km / 7,905 mi / 6,869 nm
- **Estimated flight time**: 16h
- **Heading**: 35° (northeast)
- **Return heading**: 327° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Saudi Arabia
- **Intercontinental**: North America → Asia
- **Time difference**: +8h (When it's 11:40 in Fort Cavazos (Killeen), it's 19:40 in Riyadh)
- **Elevation difference**: 1,139 ft (RUH is higher than HLR)

## Airports

### [Yoakum-Defrenn Army Heliport (HLR)](https://www.flightduration.online/airport/hlr-fort-cavazos-killeen-yoakum-defrenn-army-heliport/1ef266df-20db-6fde-8b93-06bb2780ed98)

- City: Fort Cavazos (Killeen), United States
- ICAO: KHLR
- Timezone: America/Chicago
- Coordinates: 31.100000, -97.700000
- Elevation: 910 ft

### [King Khaled International Airport (RUH)](https://www.flightduration.online/airport/ruh-riyadh-king-khaled-international-airport/1ef266df-79cb-6f68-8fc1-06bb2780ed98)

- City: Riyadh, Saudi Arabia
- ICAO: OERK
- Timezone: Asia/Riyadh
- Coordinates: 24.960000, 46.700000
- Elevation: 2,049 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 11:40 in Fort Cavazos (Killeen), it's 19:40 in Riyadh.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Yoakum-Defrenn Army Heliport (HLR)](https://www.flightduration.online/airport/hlr-fort-cavazos-killeen-yoakum-defrenn-army-heliport/1ef266df-20db-6fde-8b93-06bb2780ed98)
- [King Khaled International Airport (RUH)](https://www.flightduration.online/airport/ruh-riyadh-king-khaled-international-airport/1ef266df-79cb-6f68-8fc1-06bb2780ed98)
- [Flight duration calculator](/#calculator)