# Distance from Boundji (BOE) to Seattle (SEA)

> 13,441 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,441 km / 8,352 mi / 7,258 nm
- **Estimated flight time**: 17h
- **Heading**: 328° (north northwest)
- **Return heading**: 52° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Congo) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 06:05 in Boundji, it's 22:05 in Seattle)
- **Elevation difference**: 815 ft (SEA is lower than BOE)

## Airports

### [Boundji Airport (BOE)](https://www.flightduration.online/airport/boe-boundji-boundji-airport/1ef266de-d684-6eae-9076-06bb2780ed98)

- City: Boundji, Congo
- ICAO: FCOB
- Timezone: Africa/Brazzaville
- Coordinates: -1.030000, 15.380000
- Elevation: 1,247 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 06:05 in Boundji, it's 22:05 in Seattle.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Boundji Airport (BOE)](https://www.flightduration.online/airport/boe-boundji-boundji-airport/1ef266de-d684-6eae-9076-06bb2780ed98)
- [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)