# Distance from Challis (CHL) to Riyadh (RUH)

> 12,049 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,049 km / 7,487 mi / 6,506 nm
- **Estimated flight time**: 15h
- **Heading**: 18° (north northeast)
- **Return heading**: 346° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Saudi Arabia
- **Intercontinental**: North America → Asia
- **Time difference**: +9h (When it's 10:25 in Challis, it's 19:25 in Riyadh)
- **Elevation difference**: 3,027 ft (RUH is lower than CHL)

## Airports

### [Challis Airport (CHL)](https://www.flightduration.online/airport/chl-challis-challis-airport/1ef266df-27a4-6eb0-8be0-06bb2780ed98)

- City: Challis, United States
- ICAO: KLLJ
- Timezone: America/Boise
- Coordinates: 44.520000, -114.220000
- Elevation: 5,076 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 10:25 in Challis, it's 19:25 in Riyadh.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Challis Airport (CHL)](https://www.flightduration.online/airport/chl-challis-challis-airport/1ef266df-27a4-6eb0-8be0-06bb2780ed98)
- [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)