# Distance from Colombo (CMB) to Sihanukville (KOS)

> 2,637 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,637 km / 1,638 mi / 1,424 nm
- **Estimated flight time**: 4h
- **Heading**: 80° (east)
- **Return heading**: 264° (west)
- **Classification**: Medium-haul
- **Type**: International (Sri Lanka) → Cambodia
- **Time difference**: +1.5h (When it's 16:47 in Colombo, it's 18:17 in Sihanukville)
- **Elevation difference**: 3 ft (KOS 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

### [Sihanoukville International Airport (KOS)](https://www.flightduration.online/airport/kos-sihanukville-sihanoukville-international-airport/1ef266df-efc0-6d7c-8334-06bb2780ed98)

- City: Sihanukville, Cambodia
- ICAO: VDSV
- Timezone: Asia/Phnom_Penh
- Coordinates: 10.580000, 103.640000
- Elevation: 33 ft

## Route notes

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 16:47 in Colombo, it's 18:17 in Sihanukville.

## Related

- [Bandaranaike International Apt Colombo Airport (CMB)](https://www.flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)
- [Sihanoukville International Airport (KOS)](https://www.flightduration.online/airport/kos-sihanukville-sihanoukville-international-airport/1ef266df-efc0-6d7c-8334-06bb2780ed98)
- [Flight duration calculator](/#calculator)