# Distance from Seattle (SEA) to Mahe Island (SEZ)

> 15,254 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,254 km / 9,478 mi / 8,236 nm
- **Estimated flight time**: 19h
- **Heading**: 3° (north)
- **Return heading**: 358° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Seychelles
- **Intercontinental**: North America → Africa
- **Time difference**: +11h (When it's 19:45 in Seattle, it's 06:45 in Mahe Island)
- **Elevation difference**: 422 ft (SEZ is lower than SEA)

## Airports

### [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

### [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 19:45 in Seattle, it's 06:45 in Mahe Island.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Seychelles International Airport (SEZ)](https://www.flightduration.online/airport/sez-mahe-island-seychelles-international-airport/1ef266de-de05-69ee-8340-06bb2780ed98)
- [Flight duration calculator](/#calculator)