# Distance from Niamey (NIM) to St Louis (STL)

> 9,291 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,291 km / 5,773 mi / 5,017 nm
- **Estimated flight time**: 12h
- **Heading**: 308° (northwest)
- **Return heading**: 78° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Niger) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -6h (When it's 04:15 in Niamey, it's 22:15 in St Louis)
- **Elevation difference**: 115 ft (STL is lower than NIM)

## Airports

### [Diori Hamani International Airport (NIM)](https://www.flightduration.online/airport/nim-niamey-diori-hamani-international-airport/1ef266de-b836-6358-8411-06bb2780ed98)

- City: Niamey, Niger
- ICAO: DRRN
- Timezone: Africa/Niamey
- Coordinates: 13.480000, 2.180000
- Elevation: 732 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 04:15 in Niamey, it's 22:15 in St Louis.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Diori Hamani International Airport (NIM)](https://www.flightduration.online/airport/nim-niamey-diori-hamani-international-airport/1ef266de-b836-6358-8411-06bb2780ed98)
- [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)