# Distance from Seattle (SEA) to Soyo (SZA)

> 13,730 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,730 km / 8,531 mi / 7,413 nm
- **Estimated flight time**: 17h
- **Heading**: 58° (east northeast)
- **Return heading**: 325° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Angola
- **Intercontinental**: North America → Africa
- **Time difference**: +8h (When it's 22:41 in Seattle, it's 06:41 in Soyo)
- **Elevation difference**: 417 ft (SZA is lower than SEA)

## Airports

### [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

### [Soyo Airport (SZA)](https://flightduration.online/airport/sza-soyo-soyo-airport/1ef266de-dcef-6ab4-9d3d-06bb2780ed98)

- City: Soyo, Angola
- ICAO: FNSO
- Timezone: Africa/Luanda
- Coordinates: -6.140000, 12.370000
- Elevation: 15 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 22:41 in Seattle, it's 06:41 in Soyo.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Soyo Airport (SZA)](https://flightduration.online/airport/sza-soyo-soyo-airport/1ef266de-dcef-6ab4-9d3d-06bb2780ed98)
- [Flight duration calculator](/#calculator)