# Distance from Austin (AUS) to Denis Island (DEI)

> 15,959 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,959 km / 9,916 mi / 8,617 nm
- **Estimated flight time**: 20h
- **Heading**: 49° (northeast)
- **Return heading**: 319° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Seychelles
- **Intercontinental**: North America → Africa
- **Time difference**: +9h (When it's 08:43 in Austin, it's 17:43 in Denis Island)
- **Elevation difference**: 532 ft (DEI is lower than AUS)

## Airports

### [Austin-Bergstrom International Airport (AUS)](https://www.flightduration.online/airport/aus-austin-austin-bergstrom-international-airport/1ef266df-0f36-6446-a422-06bb2780ed98)

- City: Austin, United States
- ICAO: KAUS
- Timezone: America/Chicago
- Coordinates: 30.190000, -97.670000
- Elevation: 542 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 08:43 in Austin, it's 17:43 in Denis Island.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Austin-Bergstrom International Airport (AUS)](https://www.flightduration.online/airport/aus-austin-austin-bergstrom-international-airport/1ef266df-0f36-6446-a422-06bb2780ed98)
- [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)
- [Flight duration calculator](/#calculator)