# Distance from El Fasher (ELF) to Seattle (SEA)

> 12,503 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,503 km / 7,769 mi / 6,751 nm
- **Estimated flight time**: 16h
- **Heading**: 337° (north northwest)
- **Return heading**: 34° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Sudan) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -9h (When it's 22:31 in El Fasher, it's 13:31 in Seattle)
- **Elevation difference**: 1,961 ft (SEA is lower than ELF)

## Airports

### [El Fasher Airport (ELF)](https://www.flightduration.online/airport/elf-el-fasher-el-fasher-airport/1ef266de-edca-60dc-9456-06bb2780ed98)

- City: El Fasher, Sudan
- ICAO: HSFS
- Timezone: Africa/Khartoum
- Coordinates: 13.610000, 25.320000
- Elevation: 2,393 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 22:31 in El Fasher, it's 13:31 in Seattle.
With a 9-hour time difference, expect significant jet lag.

## Related

- [El Fasher Airport (ELF)](https://www.flightduration.online/airport/elf-el-fasher-el-fasher-airport/1ef266de-edca-60dc-9456-06bb2780ed98)
- [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)