# Distance from Washington (DCA) to Selibaby (SEY)

> 6,789 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,789 km / 4,219 mi / 3,666 nm
- **Estimated flight time**: 9h
- **Heading**: 94° (east)
- **Return heading**: 306° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Mauritania
- **Intercontinental**: North America → Africa
- **Time difference**: +4h (When it's 16:56 in Washington, it's 20:56 in Selibaby)
- **Elevation difference**: 205 ft (SEY is higher than DCA)

## Airports

### [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)

- City: Washington, United States
- ICAO: KDCA
- Timezone: America/New_York
- Coordinates: 38.850000, -77.040000
- Elevation: 14 ft

### [Selibaby Airport (SEY)](https://www.flightduration.online/airport/sey-selibaby-selibaby-airport/1ef266de-e94f-602a-835b-06bb2780ed98)

- City: Selibaby, Mauritania
- ICAO: GQNS
- Timezone: Africa/Nouakchott
- Coordinates: 15.180000, -12.210000
- Elevation: 219 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 16:56 in Washington, it's 20:56 in Selibaby.
The 4-hour time difference may cause some jet lag.

## Related

- [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)
- [Selibaby Airport (SEY)](https://www.flightduration.online/airport/sey-selibaby-selibaby-airport/1ef266de-e94f-602a-835b-06bb2780ed98)
- [Flight duration calculator](/#calculator)