# Distance from Adelaide (ADL) to Denis Island (DEI)

> 9,115 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,115 km / 5,664 mi / 4,922 nm
- **Estimated flight time**: 12h
- **Heading**: 271° (west)
- **Return heading**: 125° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Seychelles
- **Intercontinental**: Oceania → Africa
- **Time difference**: -5.5h (When it's 00:26 in Adelaide, it's 18:56 in Denis Island)
- **Elevation difference**: 10 ft (DEI is lower than ADL)

## Airports

### [Adelaide International Airport (ADL)](https://www.flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)

- City: Adelaide, Australia
- ICAO: YPAD
- Timezone: Australia/Adelaide
- Coordinates: -34.950000, 138.530000
- Elevation: 20 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 00:26 in Adelaide, it's 18:56 in Denis Island.
The 5.5-hour time difference may cause some jet lag.

## Related

- [Adelaide International Airport (ADL)](https://www.flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)
- [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)
- [Flight duration calculator](/#calculator)