# Distance from Basankusu (BSU) to Seattle (SEA)

> 13,475 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,475 km / 8,373 mi / 7,276 nm
- **Estimated flight time**: 17h
- **Heading**: 331° (north northwest)
- **Return heading**: 46° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (DR Congo) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 01:14 in Basankusu, it's 17:14 in Seattle)
- **Elevation difference**: 785 ft (SEA is lower than BSU)

## Airports

### [Basankusu Airport (BSU)](https://www.flightduration.online/airport/bsu-basankusu-basankusu-airport/1ef266de-e326-6f18-af67-06bb2780ed98)

- City: Basankusu, DR Congo
- ICAO: FZEN
- Timezone: Africa/Kinshasa
- Coordinates: 1.220000, 19.790000
- Elevation: 1,217 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 01:14 in Basankusu, it's 17:14 in Seattle.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Basankusu Airport (BSU)](https://www.flightduration.online/airport/bsu-basankusu-basankusu-airport/1ef266de-e326-6f18-af67-06bb2780ed98)
- [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)