# Distance from Maseru (MSU) to Seattle (SEA)

> 16,750 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,750 km / 10,408 mi / 9,044 nm
- **Estimated flight time**: 21h
- **Heading**: 316° (northwest)
- **Return heading**: 63° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Lesotho) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -9h (When it's 18:42 in Maseru, it's 09:42 in Seattle)
- **Elevation difference**: 4,916 ft (SEA is lower than MSU)

## Airports

### [Moshoeshoe I International Airport (MSU)](https://www.flightduration.online/airport/msu-maseru-moshoeshoe-i-international-airport/1ef266de-e060-6770-91b3-06bb2780ed98)

- City: Maseru, Lesotho
- ICAO: FXMM
- Timezone: Africa/Maseru
- Coordinates: -29.460000, 27.550000
- Elevation: 5,348 ft

### [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 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 18:42 in Maseru, it's 09:42 in Seattle.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Moshoeshoe I International Airport (MSU)](https://www.flightduration.online/airport/msu-maseru-moshoeshoe-i-international-airport/1ef266de-e060-6770-91b3-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)