# Distance from Fort Sill (FSI) to Riyadh (RUH)

> 12,434 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,434 km / 7,726 mi / 6,714 nm
- **Estimated flight time**: 16h
- **Heading**: 34° (northeast)
- **Return heading**: 330° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Saudi Arabia
- **Intercontinental**: North America → Asia
- **Time difference**: +8h (When it's 23:54 in Fort Sill, it's 07:54 in Riyadh)
- **Elevation difference**: 861 ft (RUH is higher than FSI)

## Airports

### [Henry Post Army Air Field (Fort Sill) Airport (FSI)](https://flightduration.online/airport/fsi-fort-sill-henry-post-army-air-field-fort-sill-airport/1ef266df-1cfa-6ffa-9bda-06bb2780ed98)

- City: Fort Sill, United States
- ICAO: KFSI
- Timezone: America/Chicago
- Coordinates: 34.650000, -98.400000
- Elevation: 1,188 ft

### [King Khaled International Airport (RUH)](https://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 23:54 in Fort Sill, it's 07:54 in Riyadh.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Henry Post Army Air Field (Fort Sill) Airport (FSI)](https://flightduration.online/airport/fsi-fort-sill-henry-post-army-air-field-fort-sill-airport/1ef266df-1cfa-6ffa-9bda-06bb2780ed98)
- [King Khaled International Airport (RUH)](https://flightduration.online/airport/ruh-riyadh-king-khaled-international-airport/1ef266df-79cb-6f68-8fc1-06bb2780ed98)
- [Flight duration calculator](/#calculator)