# Distance from Greymouth Airport (GMN) to Calgary (YYC)

> 12,657 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,657 km / 7,864 mi / 6,834 nm
- **Estimated flight time**: 16h
- **Heading**: 41° (northeast)
- **Return heading**: 231° (southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → Canada
- **Intercontinental**: Oceania → North America
- **Time difference**: -18h (When it's 21:27 in Greymouth Airport, it's 03:27 in Calgary)
- **Elevation difference**: 3,547 ft (YYC is higher than GMN)

## Airports

### [Greymouth Airport (GMN)](https://www.flightduration.online/airport/gmn-greymouth-airport/1ef266df-76a1-6bee-b617-06bb2780ed98)

- City: Greymouth Airport, New Zealand
- ICAO: NZGM
- Timezone: Pacific/Auckland
- Coordinates: -42.460000, 171.190000
- Elevation: 10 ft

### [Calgary International Airport (YYC)](https://www.flightduration.online/airport/yyc-calgary-calgary-international-airport/1ef266de-b3e4-6fe8-ad4a-06bb2780ed98)

- City: Calgary, Canada
- ICAO: CYYC
- Timezone: America/Edmonton
- Coordinates: 51.110000, -114.020000
- Elevation: 3,557 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 21:27 in Greymouth Airport, it's 03:27 in Calgary.
With a 18-hour time difference, expect significant jet lag.

## Related

- [Greymouth Airport (GMN)](https://www.flightduration.online/airport/gmn-greymouth-airport/1ef266df-76a1-6bee-b617-06bb2780ed98)
- [Calgary International Airport (YYC)](https://www.flightduration.online/airport/yyc-calgary-calgary-international-airport/1ef266de-b3e4-6fe8-ad4a-06bb2780ed98)
- [Flight duration calculator](/#calculator)