# Distance from Arlit (RLT) to St Louis (STL)

> 9,355 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,355 km / 5,813 mi / 5,052 nm
- **Estimated flight time**: 12h
- **Heading**: 309° (northwest)
- **Return heading**: 71° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Niger) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -6h (When it's 00:44 in Arlit, it's 18:44 in St Louis)
- **Elevation difference**: 826 ft (STL is lower than RLT)

## Airports

### [Arlit Airport (RLT)](https://www.flightduration.online/airport/rlt-arlit-arlit-airport/1ef266de-b85a-69ce-bb9f-06bb2780ed98)

- City: Arlit, Niger
- ICAO: DRZL
- Timezone: Africa/Niamey
- Coordinates: 18.790000, 7.370000
- Elevation: 1,443 ft

### [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSTL
- Timezone: America/Chicago
- Coordinates: 38.750000, -90.370000
- Elevation: 617 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 00:44 in Arlit, it's 18:44 in St Louis.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Arlit Airport (RLT)](https://www.flightduration.online/airport/rlt-arlit-arlit-airport/1ef266de-b85a-69ce-bb9f-06bb2780ed98)
- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Flight duration calculator](/#calculator)