# Distance from Buffalo (BYG) to Christchurch (CHC)

> 12,615 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,615 km / 7,839 mi / 6,812 nm
- **Estimated flight time**: 16h
- **Heading**: 231° (southwest)
- **Return heading**: 50° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → New Zealand
- **Intercontinental**: North America → Oceania
- **Time difference**: +18h (When it's 17:05 in Buffalo, it's 11:05 in Christchurch)
- **Elevation difference**: 4,847 ft (CHC is lower than BYG)

## Airports

### [Johnson County Airport (BYG)](https://www.flightduration.online/airport/byg-buffalo-johnson-county-airport/1ef266df-11fd-6e36-9343-06bb2780ed98)

- City: Buffalo, United States
- ICAO: KBYG
- Timezone: America/Denver
- Coordinates: 44.380000, -106.720000
- Elevation: 4,970 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 17:05 in Buffalo, it's 11:05 in Christchurch.
With a 18-hour time difference, expect significant jet lag.

## Related

- [Johnson County Airport (BYG)](https://www.flightduration.online/airport/byg-buffalo-johnson-county-airport/1ef266df-11fd-6e36-9343-06bb2780ed98)
- [Christchurch International Airport (CHC)](https://www.flightduration.online/airport/chc-christchurch-christchurch-international-airport/1ef266df-7661-64f4-a788-06bb2780ed98)
- [Flight duration calculator](/#calculator)