# Distance from Christchurch (CHC) to Greybull (GEY)

> 12,541 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,541 km / 7,793 mi / 6,772 nm
- **Estimated flight time**: 16h
- **Heading**: 49° (northeast)
- **Return heading**: 231° (southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -18h (When it's 19:28 in Christchurch, it's 01:28 in Greybull)
- **Elevation difference**: 3,819 ft (GEY 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

### [South Big Horn County Airport (GEY)](https://www.flightduration.online/airport/gey-greybull-south-big-horn-county-airport/1ef266df-1e0b-643a-8021-06bb2780ed98)

- City: Greybull, United States
- ICAO: KGEY
- Timezone: America/Denver
- Coordinates: 44.520000, -108.080000
- Elevation: 3,942 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 19:28 in Christchurch, it's 01:28 in Greybull.
With a 18-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)
- [South Big Horn County Airport (GEY)](https://www.flightduration.online/airport/gey-greybull-south-big-horn-county-airport/1ef266df-1e0b-643a-8021-06bb2780ed98)
- [Flight duration calculator](/#calculator)