# Distance from Kassala (KSL) to Seattle (SEA)

> 12,711 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,711 km / 7,898 mi / 6,863 nm
- **Estimated flight time**: 16h
- **Heading**: 344° (north northwest)
- **Return heading**: 23° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Sudan) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -9h (When it's 12:26 in Kassala, it's 03:26 in Seattle)
- **Elevation difference**: 1,239 ft (SEA is lower than KSL)

## Airports

### [Kassala Airport (KSL)](https://flightduration.online/airport/ksl-kassala-kassala-airport/1ef266de-ede2-64de-a88b-06bb2780ed98)

- City: Kassala, Sudan
- ICAO: HSKA
- Timezone: Africa/Khartoum
- Coordinates: 15.390000, 36.330000
- Elevation: 1,671 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 12:26 in Kassala, it's 03:26 in Seattle.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Kassala Airport (KSL)](https://flightduration.online/airport/ksl-kassala-kassala-airport/1ef266de-ede2-64de-a88b-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)