# Distance from Christchurch (CHC) to Sion (SIR)

> 18,812 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,812 km / 11,689 mi / 10,157 nm
- **Estimated flight time**: 23h
- **Heading**: 290° (west northwest)
- **Return heading**: 81° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → Switzerland
- **Intercontinental**: Oceania → Europe
- **Time difference**: -10h (When it's 15:03 in Christchurch, it's 05:03 in Sion)
- **Elevation difference**: 1,462 ft (SIR 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

### [Sion Airport (SIR)](https://www.flightduration.online/airport/sir-sion-sion-airport/1ef266df-5741-6844-a33f-06bb2780ed98)

- City: Sion, Switzerland
- ICAO: LSGS
- Timezone: Europe/Zurich
- Coordinates: 46.220000, 7.330000
- Elevation: 1,585 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 15:03 in Christchurch, it's 05:03 in Sion.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Christchurch International Airport (CHC)](https://www.flightduration.online/airport/chc-christchurch-christchurch-international-airport/1ef266df-7661-64f4-a788-06bb2780ed98)
- [Sion Airport (SIR)](https://www.flightduration.online/airport/sir-sion-sion-airport/1ef266df-5741-6844-a33f-06bb2780ed98)
- [Flight duration calculator](/#calculator)