# Distance from Sumbe (NDD) to Seattle (SEA)

> 14,278 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,278 km / 8,872 mi / 7,710 nm
- **Estimated flight time**: 18h
- **Heading**: 323° (northwest)
- **Return heading**: 60° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Angola) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 01:53 in Sumbe, it's 17:53 in Seattle)
- **Elevation difference**: 396 ft (SEA is higher than NDD)

## Airports

### [Sumbe Airport (NDD)](https://www.flightduration.online/airport/ndd-sumbe-sumbe-airport/1ef266de-dcf3-65a6-9dfb-06bb2780ed98)

- City: Sumbe, Angola
- ICAO: FNSU
- Timezone: Africa/Luanda
- Coordinates: -11.170000, 13.850000
- Elevation: 36 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 01:53 in Sumbe, it's 17:53 in Seattle.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Sumbe Airport (NDD)](https://www.flightduration.online/airport/ndd-sumbe-sumbe-airport/1ef266de-dcf3-65a6-9dfb-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)