# Distance from Helena (HLN) to Riyadh (RUH)

> 11,773 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,773 km / 7,315 mi / 6,357 nm
- **Estimated flight time**: 15h
- **Heading**: 20° (north northeast)
- **Return heading**: 345° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Saudi Arabia
- **Intercontinental**: North America → Asia
- **Time difference**: +9h (When it's 15:14 in Helena, it's 00:14 in Riyadh)
- **Elevation difference**: 1,828 ft (RUH is lower than HLN)

## Airports

### [Helena Regional Airport (HLN)](https://www.flightduration.online/airport/hln-helena-helena-regional-airport/1ef266df-20d7-6808-b3f9-06bb2780ed98)

- City: Helena, United States
- ICAO: KHLN
- Timezone: America/Denver
- Coordinates: 46.610000, -111.980000
- Elevation: 3,877 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 15:14 in Helena, it's 00:14 in Riyadh.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Helena Regional Airport (HLN)](https://www.flightduration.online/airport/hln-helena-helena-regional-airport/1ef266df-20d7-6808-b3f9-06bb2780ed98)
- [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)