# Distance from Massawa (MSW) to Seattle (SEA)

> 12,763 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,763 km / 7,930 mi / 6,891 nm
- **Estimated flight time**: 16h
- **Heading**: 346° (north northwest)
- **Return heading**: 19° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Eritrea) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -10h (When it's 23:29 in Massawa, it's 13:29 in Seattle)
- **Elevation difference**: 238 ft (SEA is higher than MSW)

## Airports

### [Massawa International Airport (MSW)](https://www.flightduration.online/airport/msw-massawa-massawa-international-airport/1ef266de-eba8-6a9c-b65c-06bb2780ed98)

- City: Massawa, Eritrea
- ICAO: HHMS
- Timezone: Africa/Asmara
- Coordinates: 15.670000, 39.370000
- Elevation: 194 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 23:29 in Massawa, it's 13:29 in Seattle.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Massawa International Airport (MSW)](https://www.flightduration.online/airport/msw-massawa-massawa-international-airport/1ef266de-eba8-6a9c-b65c-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)