# Distance from Chengdu (CTU) to Denis Island (DEI)

> 6,389 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,389 km / 3,970 mi / 3,450 nm
- **Estimated flight time**: 9h
- **Heading**: 242° (west southwest)
- **Return heading**: 50° (northeast)
- **Classification**: Long-haul
- **Type**: International (China) → Seychelles
- **Intercontinental**: Asia → Africa
- **Time difference**: -4h (When it's 21:42 in Chengdu, it's 17:42 in Denis Island)
- **Elevation difference**: 1,615 ft (DEI is lower than CTU)

## Airports

### [Chengdu Shuangliu International Airport (CTU)](https://www.flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)

- City: Chengdu, China
- ICAO: ZUUU
- Timezone: Asia/Shanghai
- Coordinates: 30.580000, 103.950000
- Elevation: 1,625 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 21:42 in Chengdu, it's 17:42 in Denis Island.
The 4-hour time difference may cause some jet lag.

## Related

- [Chengdu Shuangliu International Airport (CTU)](https://www.flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)
- [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)
- [Flight duration calculator](/#calculator)