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

> 9,392 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,392 km / 5,836 mi / 5,071 nm
- **Estimated flight time**: 12h
- **Heading**: 294° (west northwest)
- **Return heading**: 137° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → Cambodia
- **Intercontinental**: Oceania → Asia
- **Time difference**: -5h (When it's 16:49 in Christchurch, it's 11:49 in Siem Reap)
- **Elevation difference**: 63 ft (REP 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

### [Angkor International Airport (REP)](https://www.flightduration.online/airport/rep-siem-reap-angkor-international-airport/1ef266df-efb8-691a-a780-06bb2780ed98)

- City: Siem Reap, Cambodia
- ICAO: VDSR
- Timezone: Asia/Phnom_Penh
- Coordinates: 13.410000, 103.810000
- Elevation: 60 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 16:49 in Christchurch, it's 11:49 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)
- [Angkor International Airport (REP)](https://www.flightduration.online/airport/rep-siem-reap-angkor-international-airport/1ef266df-efb8-691a-a780-06bb2780ed98)
- [Flight duration calculator](/#calculator)