# Distance from Gaithersburg (GAI) to Port Louis (MRU)

> 15,248 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,248 km / 9,474 mi / 8,233 nm
- **Estimated flight time**: 19h
- **Heading**: 78° (east northeast)
- **Return heading**: 306° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Mauritius
- **Intercontinental**: North America → Africa
- **Time difference**: +8h (When it's 21:20 in Gaithersburg, it's 05:20 in Port Louis)
- **Elevation difference**: 353 ft (MRU is lower than GAI)

## Airports

### [Montgomery County Airpark (GAI)](https://www.flightduration.online/airport/gai-gaithersburg-montgomery-county-airpark/1ef266df-1d9e-6f2e-a3da-06bb2780ed98)

- City: Gaithersburg, United States
- ICAO: KGAI
- Timezone: America/New_York
- Coordinates: 39.170000, -77.170000
- Elevation: 539 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 21:20 in Gaithersburg, it's 05:20 in Port Louis.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Montgomery County Airpark (GAI)](https://www.flightduration.online/airport/gai-gaithersburg-montgomery-county-airpark/1ef266df-1d9e-6f2e-a3da-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)