# Distance from Chitose / Tomakomai (CTS) to Koulamoutou (KOU)

> 13,185 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,185 km / 8,193 mi / 7,119 nm
- **Estimated flight time**: 17h
- **Heading**: 298° (west northwest)
- **Return heading**: 40° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Japan) → Gabon
- **Intercontinental**: Asia → Africa
- **Time difference**: -8h (When it's 03:27 in Chitose / Tomakomai, it's 19:27 in Koulamoutou)
- **Elevation difference**: 988 ft (KOU is higher 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

### [Koulamoutou Airport (KOU)](https://www.flightduration.online/airport/kou-koulamoutou-koulamoutou-airport/1ef266de-dd33-64b2-8b27-06bb2780ed98)

- City: Koulamoutou, Gabon
- ICAO: FOGK
- Timezone: Africa/Libreville
- Coordinates: -1.180000, 12.440000
- Elevation: 1,070 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 03:27 in Chitose / Tomakomai, it's 19:27 in Koulamoutou.
With a 8-hour time difference, expect significant jet lag.

## Related

- [New Chitose Airport (CTS)](https://www.flightduration.online/airport/cts-chitose-tomakomai-new-chitose-airport/1ef266df-8b65-6cba-bb84-06bb2780ed98)
- [Koulamoutou Airport (KOU)](https://www.flightduration.online/airport/kou-koulamoutou-koulamoutou-airport/1ef266de-dd33-64b2-8b27-06bb2780ed98)
- [Flight duration calculator](/#calculator)