# Distance from Chitose / Tomakomai (CTS) to Denis Island (DEI)

> 9,970 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,970 km / 6,195 mi / 5,384 nm
- **Estimated flight time**: 13h
- **Heading**: 265° (west)
- **Return heading**: 47° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Japan) → Seychelles
- **Intercontinental**: Asia → Africa
- **Time difference**: -5h (When it's 10:51 in Chitose / Tomakomai, it's 05:51 in Denis Island)
- **Elevation difference**: 72 ft (DEI is lower than CTS)

## Airports

### [New Chitose Airport (CTS)](https://www.flightduration.online/airport/cts-chitose-tomakomai-new-chitose-airport/1ef266df-8b65-6cba-bb84-06bb2780ed98)

- City: Chitose / Tomakomai, Japan
- ICAO: RJCC
- Timezone: Asia/Tokyo
- Coordinates: 42.780000, 141.690000
- Elevation: 82 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 10:51 in Chitose / Tomakomai, it's 05:51 in Denis Island.
The 5-hour time difference may cause some jet lag.

## Related

- [New Chitose Airport (CTS)](https://www.flightduration.online/airport/cts-chitose-tomakomai-new-chitose-airport/1ef266df-8b65-6cba-bb84-06bb2780ed98)
- [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)
- [Flight duration calculator](/#calculator)