# Distance from Colombo (CMB) to Koulamoutou (KOU)

> 7,538 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,538 km / 4,684 mi / 4,070 nm
- **Estimated flight time**: 10h
- **Heading**: 266° (west)
- **Return heading**: 82° (east)
- **Classification**: Long-haul
- **Type**: International (Sri Lanka) → Gabon
- **Intercontinental**: Asia → Africa
- **Time difference**: -4.5h (When it's 23:55 in Colombo, it's 19:25 in Koulamoutou)
- **Elevation difference**: 1,040 ft (KOU is higher than CMB)

## Airports

### [Bandaranaike International Apt Colombo Airport (CMB)](https://www.flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)

- City: Colombo, Sri Lanka
- ICAO: VCBI
- Timezone: Asia/Colombo
- Coordinates: 7.180000, 79.880000
- Elevation: 30 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 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 23:55 in Colombo, it's 19:25 in Koulamoutou.
The 4.5-hour time difference may cause some jet lag.

## Related

- [Bandaranaike International Apt Colombo Airport (CMB)](https://www.flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)
- [Koulamoutou Airport (KOU)](https://www.flightduration.online/airport/kou-koulamoutou-koulamoutou-airport/1ef266de-dd33-64b2-8b27-06bb2780ed98)
- [Flight duration calculator](/#calculator)