# Distance from Chitose / Tomakomai (CTS) to Souanke (SOE)

> 12,787 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,787 km / 7,946 mi / 6,905 nm
- **Estimated flight time**: 16h
- **Heading**: 299° (west northwest)
- **Return heading**: 40° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Japan) → Congo
- **Intercontinental**: Asia → Africa
- **Time difference**: -8h (When it's 08:07 in Chitose / Tomakomai, it's 00:07 in Souanke)
- **Elevation difference**: 1,640 ft (SOE 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

### [Souanke Airport (SOE)](https://www.flightduration.online/airport/soe-souanke-souanke-airport/1ef266de-d6a0-6398-a6de-06bb2780ed98)

- City: Souanke, Congo
- ICAO: FCOS
- Timezone: Africa/Brazzaville
- Coordinates: 2.070000, 14.130000
- Elevation: 1,722 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 08:07 in Chitose / Tomakomai, it's 00:07 in Souanke.
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)
- [Souanke Airport (SOE)](https://www.flightduration.online/airport/soe-souanke-souanke-airport/1ef266de-d6a0-6398-a6de-06bb2780ed98)
- [Flight duration calculator](/#calculator)