# Distance from Christchurch (CHC) to Sihanukville (KOS)

> 9,174 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,174 km / 5,700 mi / 4,953 nm
- **Estimated flight time**: 12h
- **Heading**: 292° (west northwest)
- **Return heading**: 137° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → Cambodia
- **Intercontinental**: Oceania → Asia
- **Time difference**: -5h (When it's 06:01 in Christchurch, it's 01:01 in Sihanukville)
- **Elevation difference**: 90 ft (KOS is lower than CHC)

## Airports

### [Christchurch International Airport (CHC)](https://www.flightduration.online/airport/chc-christchurch-christchurch-international-airport/1ef266df-7661-64f4-a788-06bb2780ed98)

- City: Christchurch, New Zealand
- ICAO: NZCH
- Timezone: Pacific/Auckland
- Coordinates: -43.490000, 172.530000
- Elevation: 123 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 06:01 in Christchurch, it's 01:01 in Sihanukville.
The 5-hour time difference may cause some jet lag.

## Related

- [Christchurch International Airport (CHC)](https://www.flightduration.online/airport/chc-christchurch-christchurch-international-airport/1ef266df-7661-64f4-a788-06bb2780ed98)
- [Sihanoukville International Airport (KOS)](https://www.flightduration.online/airport/kos-sihanukville-sihanoukville-international-airport/1ef266df-efc0-6d7c-8334-06bb2780ed98)
- [Flight duration calculator](/#calculator)