# Distance from Port Louis (MRU) to Portsmouth (PSM)

> 14,638 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,638 km / 9,096 mi / 7,904 nm
- **Estimated flight time**: 18h
- **Heading**: 310° (northwest)
- **Return heading**: 79° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Mauritius) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 16:13 in Port Louis, it's 08:13 in Portsmouth)
- **Elevation difference**: 86 ft (PSM is lower than MRU)

## Airports

### [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

### [Portsmouth International At Pease Airport (PSM)](https://www.flightduration.online/airport/psm-portsmouth-portsmouth-international-at-pease-airport/1ef266df-33b1-6488-97e8-06bb2780ed98)

- City: Portsmouth, United States
- ICAO: KPSM
- Timezone: America/New_York
- Coordinates: 43.080000, -70.820000
- Elevation: 100 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 16:13 in Port Louis, it's 08:13 in Portsmouth.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Sir Seewoosagur Ramgoolam International Airport (MRU)](https://www.flightduration.online/airport/mru-port-louis-sir-seewoosagur-ramgoolam-international-airport/1ef266de-d896-635a-a611-06bb2780ed98)
- [Portsmouth International At Pease Airport (PSM)](https://www.flightduration.online/airport/psm-portsmouth-portsmouth-international-at-pease-airport/1ef266df-33b1-6488-97e8-06bb2780ed98)
- [Flight duration calculator](/#calculator)