# Distance from Cancun (CUN) to Denis Island (DEI)

> 15,538 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,538 km / 9,655 mi / 8,390 nm
- **Estimated flight time**: 19h
- **Heading**: 70° (east northeast)
- **Return heading**: 299° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Mexico) → Seychelles
- **Intercontinental**: North America → Africa
- **Time difference**: +9h (When it's 09:46 in Cancun, it's 18:46 in Denis Island)
- **Elevation difference**: 12 ft (DEI is lower than CUN)

## Airports

### [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-06bb2780ed98)

- City: Cancun, Mexico
- ICAO: MMUN
- Timezone: America/Cancun
- Coordinates: 21.040000, -86.880000
- Elevation: 22 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 09:46 in Cancun, it's 18:46 in Denis Island.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-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)