# Distance from Washington (DCA) to Denis Island (DEI)

> 13,861 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,861 km / 8,613 mi / 7,484 nm
- **Estimated flight time**: 17h
- **Heading**: 63° (east northeast)
- **Return heading**: 316° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Seychelles
- **Intercontinental**: North America → Africa
- **Time difference**: +8h (When it's 09:43 in Washington, it's 17:43 in Denis Island)
- **Elevation difference**: 4 ft (DEI is lower 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

### [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)

- City: Denis Island, Seychelles
- ICAO: FSSD
- Timezone: Indian/Mahe
- Coordinates: -3.800000, 55.670000
- Elevation: 10 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 09:43 in Washington, it's 17:43 in Denis Island.
With a 8-hour time difference, expect significant 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)
- [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)
- [Flight duration calculator](/#calculator)