# Distance from Seattle (SEA) to Zalingei (ZLX)

> 12,495 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,495 km / 7,764 mi / 6,747 nm
- **Estimated flight time**: 16h
- **Heading**: 36° (northeast)
- **Return heading**: 336° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Sudan
- **Intercontinental**: North America → Africa
- **Time difference**: +9h (When it's 23:58 in Seattle, it's 08:58 in Zalingei)
- **Elevation difference**: 2,521 ft (ZLX is higher than SEA)

## Airports

### [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

### [Zalingei Airport (ZLX)](https://www.flightduration.online/airport/zlx-zalingei-zalingei-airport/1ef266de-ee66-6efa-9bd4-06bb2780ed98)

- City: Zalingei, Sudan
- ICAO: HSZA
- Timezone: Africa/Khartoum
- Coordinates: 12.900000, 23.480000
- Elevation: 2,953 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 23:58 in Seattle, it's 08:58 in Zalingei.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Zalingei Airport (ZLX)](https://www.flightduration.online/airport/zlx-zalingei-zalingei-airport/1ef266de-ee66-6efa-9bd4-06bb2780ed98)
- [Flight duration calculator](/#calculator)