# Distance from Christchurch (CHC) to Siem Reap (SAI)

> 9,358 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,358 km / 5,815 mi / 5,053 nm
- **Estimated flight time**: 12h
- **Heading**: 295° (west northwest)
- **Return heading**: 137° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → Cambodia
- **Intercontinental**: Oceania → Asia
- **Time difference**: -5h (When it's 10:46 in Christchurch, it's 05:46 in Siem Reap)
- **Elevation difference**: 68 ft (SAI is higher 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

### [Siem Reap Angkor International Airport (SAI)](https://www.flightduration.online/airport/sai-siem-reap-siem-reap-angkor-international-airport/1ef266df-efb4-65c2-940b-06bb2780ed98)

- City: Siem Reap, Cambodia
- ICAO: VDSA
- Timezone: Asia/Phnom_Penh
- Coordinates: 13.370000, 104.220000
- Elevation: 191 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 10:46 in Christchurch, it's 05:46 in Siem Reap.
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)
- [Siem Reap Angkor International Airport (SAI)](https://www.flightduration.online/airport/sai-siem-reap-siem-reap-angkor-international-airport/1ef266df-efb4-65c2-940b-06bb2780ed98)
- [Flight duration calculator](/#calculator)