# Distance from Grand Marais (GRM) to Port Louis (MRU)

> 15,836 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,836 km / 9,840 mi / 8,551 nm
- **Estimated flight time**: 20h
- **Heading**: 54° (northeast)
- **Return heading**: 324° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Mauritius
- **Intercontinental**: North America → Africa
- **Time difference**: +9h (When it's 21:38 in Grand Marais, it's 06:38 in Port Louis)
- **Elevation difference**: 1,617 ft (MRU is lower than GRM)

## Airports

### [Grand Marais/Cook County Airport (GRM)](https://www.flightduration.online/airport/grm-grand-marais-grand-maraiscook-county-airport/1ef266df-1404-6842-beaf-06bb2780ed98)

- City: Grand Marais, United States
- ICAO: KCKC
- Timezone: America/Chicago
- Coordinates: 47.840000, -90.380000
- Elevation: 1,803 ft

### [Sir Seewoosagur Ramgoolam International Airport (MRU)](https://www.flightduration.online/airport/mru-port-louis-sir-seewoosagur-ramgoolam-international-airport/1ef266de-d896-635a-a611-06bb2780ed98)

- City: Port Louis, Mauritius
- ICAO: FIMP
- Timezone: Indian/Mauritius
- Coordinates: -20.430000, 57.680000
- Elevation: 186 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 21:38 in Grand Marais, it's 06:38 in Port Louis.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Grand Marais/Cook County Airport (GRM)](https://www.flightduration.online/airport/grm-grand-marais-grand-maraiscook-county-airport/1ef266df-1404-6842-beaf-06bb2780ed98)
- [Sir Seewoosagur Ramgoolam International Airport (MRU)](https://www.flightduration.online/airport/mru-port-louis-sir-seewoosagur-ramgoolam-international-airport/1ef266de-d896-635a-a611-06bb2780ed98)
- [Flight duration calculator](/#calculator)