# Distance from Mwanza (MWZ) to Seattle (SEA)

> 14,473 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,473 km / 8,993 mi / 7,815 nm
- **Estimated flight time**: 18h
- **Heading**: 338° (north northwest)
- **Return heading**: 33° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Tanzania) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -10h (When it's 02:21 in Mwanza, it's 16:21 in Seattle)
- **Elevation difference**: 3,331 ft (SEA is lower than MWZ)

## Airports

### [Mwanza Airport (MWZ)](https://flightduration.online/airport/mwz-mwanza-mwanza-airport/1ef266de-eefb-62ee-a455-06bb2780ed98)

- City: Mwanza, Tanzania
- ICAO: HTMW
- Timezone: Africa/Dar_es_Salaam
- Coordinates: -2.440000, 32.930000
- Elevation: 3,763 ft

### [Seattle-Tacoma International Airport (SEA)](https://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 02:21 in Mwanza, it's 16:21 in Seattle.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Mwanza Airport (MWZ)](https://flightduration.online/airport/mwz-mwanza-mwanza-airport/1ef266de-eefb-62ee-a455-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)