# Distance from Cancun (CUN) to Sihanukville (KOS)

> 16,316 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,316 km / 10,138 mi / 8,810 nm
- **Estimated flight time**: 20h
- **Heading**: 341° (north northwest)
- **Return heading**: 18° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Mexico) → Cambodia
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 08:22 in Cancun, it's 20:22 in Sihanukville)
- **Elevation difference**: 11 ft (KOS is higher than CUN)

## Airports

### [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-06bb2780ed98)

- City: Cancun, Mexico
- ICAO: MMUN
- Timezone: America/Cancun
- Coordinates: 21.040000, -86.880000
- Elevation: 22 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 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 08:22 in Cancun, it's 20:22 in Sihanukville.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-06bb2780ed98)
- [Sihanoukville International Airport (KOS)](https://www.flightduration.online/airport/kos-sihanukville-sihanoukville-international-airport/1ef266df-efc0-6d7c-8334-06bb2780ed98)
- [Flight duration calculator](/#calculator)