# Distance from Bost (BST) to Christchurch (CHC)

> 13,741 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,741 km / 8,538 mi / 7,419 nm
- **Estimated flight time**: 17h
- **Heading**: 124° (southeast)
- **Return heading**: 284° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Afghanistan) → New Zealand
- **Intercontinental**: Asia → Oceania
- **Time difference**: +7.5h (When it's 09:23 in Bost, it's 16:53 in Christchurch)
- **Elevation difference**: 2,341 ft (CHC is lower than BST)

## Airports

### [Bost Airport (BST)](https://www.flightduration.online/airport/bst-bost-bost-airport/1ef266df-7893-6254-9e77-06bb2780ed98)

- City: Bost, Afghanistan
- ICAO: OABT
- Timezone: Asia/Kabul
- Coordinates: 31.560000, 64.360000
- Elevation: 2,464 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 09:23 in Bost, it's 16:53 in Christchurch.
With a 7.5-hour time difference, expect significant jet lag.

## Related

- [Bost Airport (BST)](https://www.flightduration.online/airport/bst-bost-bost-airport/1ef266df-7893-6254-9e77-06bb2780ed98)
- [Christchurch International Airport (CHC)](https://www.flightduration.online/airport/chc-christchurch-christchurch-international-airport/1ef266df-7661-64f4-a788-06bb2780ed98)
- [Flight duration calculator](/#calculator)