# Distance from Desroches Island (DES) to Washington (IAD)

> 13,887 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,887 km / 8,629 mi / 7,499 nm
- **Estimated flight time**: 17h
- **Heading**: 314° (northwest)
- **Return heading**: 66° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Seychelles) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 05:46 in Desroches Island, it's 21:46 in Washington)
- **Elevation difference**: 302 ft (IAD is higher than DES)

## Airports

### [Desroches Airport (DES)](https://www.flightduration.online/airport/des-desroches-island-desroches-airport/1ef266de-ddfd-6730-8d01-06bb2780ed98)

- City: Desroches Island, Seychelles
- ICAO: FSDR
- Timezone: Indian/Mahe
- Coordinates: -5.700000, 53.660000
- Elevation: 10 ft

### [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 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 05:46 in Desroches Island, it's 21:46 in Washington.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Desroches Airport (DES)](https://www.flightduration.online/airport/des-desroches-island-desroches-airport/1ef266de-ddfd-6730-8d01-06bb2780ed98)
- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Flight duration calculator](/#calculator)