# Distance from Denis Island (DEI) to Ottawa (YOW)

> 13,421 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,421 km / 8,340 mi / 7,247 nm
- **Estimated flight time**: 17h
- **Heading**: 322° (northwest)
- **Return heading**: 61° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Seychelles) → Canada
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 07:22 in Denis Island, it's 23:22 in Ottawa)
- **Elevation difference**: 364 ft (YOW is higher than DEI)

## Airports

### [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

### [Ottawa / Macdonald-Cartier International Airport (YOW)](https://www.flightduration.online/airport/yow-ottawa-ottawa-macdonald-cartier-international-airport/1ef266de-b189-6992-9daf-06bb2780ed98)

- City: Ottawa, Canada
- ICAO: CYOW
- Timezone: America/Toronto
- Coordinates: 45.320000, -75.670000
- Elevation: 374 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 07:22 in Denis Island, it's 23:22 in Ottawa.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)
- [Ottawa / Macdonald-Cartier International Airport (YOW)](https://www.flightduration.online/airport/yow-ottawa-ottawa-macdonald-cartier-international-airport/1ef266de-b189-6992-9daf-06bb2780ed98)
- [Flight duration calculator](/#calculator)