# Distance from Ascension Island (ASI) to Christchurch (CHC)

> 14,250 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,250 km / 8,855 mi / 7,695 nm
- **Estimated flight time**: 18h
- **Heading**: 186° (south)
- **Return heading**: 171° (south)
- **Classification**: Ultra-long-haul
- **Type**: International (SH) → New Zealand
- **Time difference**: +12h (When it's 11:32 in Ascension Island, it's 23:32 in Christchurch)
- **Elevation difference**: 155 ft (CHC is lower than ASI)

## Airports

### [RAF Ascension Island (ASI)](https://www.flightduration.online/airport/asi-ascension-island-raf-ascension-island/1ef266de-d88a-637a-8b82-06bb2780ed98)

- City: Ascension Island, SH
- ICAO: FHAW
- Timezone: Atlantic/St_Helena
- Coordinates: -7.970000, -14.390000
- Elevation: 278 ft

### [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

## 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 11:32 in Ascension Island, it's 23:32 in Christchurch.
With a 12-hour time difference, expect significant jet lag.

## Related

- [RAF Ascension Island (ASI)](https://www.flightduration.online/airport/asi-ascension-island-raf-ascension-island/1ef266de-d88a-637a-8b82-06bb2780ed98)
- [Christchurch International Airport (CHC)](https://www.flightduration.online/airport/chc-christchurch-christchurch-international-airport/1ef266df-7661-64f4-a788-06bb2780ed98)
- [Flight duration calculator](/#calculator)