# Distance from Arusha (ARK) to Seattle (SEA)

> 14,713 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,713 km / 9,142 mi / 7,945 nm
- **Estimated flight time**: 18h
- **Heading**: 341° (north northwest)
- **Return heading**: 29° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Tanzania) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -10h (When it's 22:47 in Arusha, it's 12:47 in Seattle)
- **Elevation difference**: 4,118 ft (SEA is lower than ARK)

## Airports

### [Arusha Airport (ARK)](https://www.flightduration.online/airport/ark-arusha-arusha-airport/1ef266de-ee6e-6434-ad35-06bb2780ed98)

- City: Arusha, Tanzania
- ICAO: HTAR
- Timezone: Africa/Dar_es_Salaam
- Coordinates: -3.370000, 36.630000
- Elevation: 4,550 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 22:47 in Arusha, it's 12:47 in Seattle.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Arusha Airport (ARK)](https://www.flightduration.online/airport/ark-arusha-arusha-airport/1ef266de-ee6e-6434-ad35-06bb2780ed98)
- [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)