# Distance from Washington (IAD) to Mahe Island (SEZ)

> 13,952 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,952 km / 8,669 mi / 7,533 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 19:22 in Washington, it's 03:22 in Mahe Island)
- **Elevation difference**: 302 ft (SEZ is lower than IAD)

## Airports

### [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

### [Seychelles International Airport (SEZ)](https://www.flightduration.online/airport/sez-mahe-island-seychelles-international-airport/1ef266de-de05-69ee-8340-06bb2780ed98)

- City: Mahe Island, Seychelles
- ICAO: FSIA
- Timezone: Indian/Mahe
- Coordinates: -4.670000, 55.520000
- 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 19:22 in Washington, it's 03:22 in Mahe Island.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Seychelles International Airport (SEZ)](https://www.flightduration.online/airport/sez-mahe-island-seychelles-international-airport/1ef266de-de05-69ee-8340-06bb2780ed98)
- [Flight duration calculator](/#calculator)