# Distance from St Denis (RUN) to St Louis (STL)

> 16,204 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,204 km / 10,069 mi / 8,750 nm
- **Estimated flight time**: 20h
- **Heading**: 309° (northwest)
- **Return heading**: 69° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (RE) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -9h (When it's 01:05 in St Denis, it's 16:05 in St Louis)
- **Elevation difference**: 551 ft (STL is higher than RUN)

## Airports

### [Roland Garros Airport (RUN)](https://www.flightduration.online/airport/run-st-denis-roland-garros-airport/1ef266de-db66-6936-b735-06bb2780ed98)

- City: St Denis, RE
- ICAO: FMEE
- Timezone: Indian/Reunion
- Coordinates: -20.890000, 55.510000
- Elevation: 66 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 01:05 in St Denis, it's 16:05 in St Louis.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Roland Garros Airport (RUN)](https://www.flightduration.online/airport/run-st-denis-roland-garros-airport/1ef266de-db66-6936-b735-06bb2780ed98)
- [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)