# Distance from Port Mathurin (RRG) to St Louis (STL)

> 16,727 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,727 km / 10,394 mi / 9,032 nm
- **Estimated flight time**: 21h
- **Heading**: 316° (northwest)
- **Return heading**: 58° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Mauritius) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -9h (When it's 22:07 in Port Mathurin, it's 13:07 in St Louis)
- **Elevation difference**: 522 ft (STL is higher than RRG)

## Airports

### [Sir Charles Gaetan Duval Airport (RRG)](https://www.flightduration.online/airport/rrg-port-mathurin-sir-charles-gaetan-duval-airport/1ef266de-d89b-6aee-8682-06bb2780ed98)

- City: Port Mathurin, Mauritius
- ICAO: FIMR
- Timezone: Indian/Mauritius
- Coordinates: -19.760000, 63.360000
- Elevation: 95 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 22:07 in Port Mathurin, it's 13:07 in St Louis.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Sir Charles Gaetan Duval Airport (RRG)](https://www.flightduration.online/airport/rrg-port-mathurin-sir-charles-gaetan-duval-airport/1ef266de-d89b-6aee-8682-06bb2780ed98)
- [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)