# Distance from Christchurch (CHC) to Grand Marais (GRM)

> 13,874 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,874 km / 8,621 mi / 7,491 nm
- **Estimated flight time**: 17h
- **Heading**: 54° (northeast)
- **Return heading**: 241° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -17h (When it's 17:39 in Christchurch, it's 00:39 in Grand Marais)
- **Elevation difference**: 1,680 ft (GRM 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

### [Grand Marais/Cook County Airport (GRM)](https://www.flightduration.online/airport/grm-grand-marais-grand-maraiscook-county-airport/1ef266df-1404-6842-beaf-06bb2780ed98)

- City: Grand Marais, United States
- ICAO: KCKC
- Timezone: America/Chicago
- Coordinates: 47.840000, -90.380000
- Elevation: 1,803 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 17:39 in Christchurch, it's 00:39 in Grand Marais.
With a 17-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)
- [Grand Marais/Cook County Airport (GRM)](https://www.flightduration.online/airport/grm-grand-marais-grand-maraiscook-county-airport/1ef266df-1404-6842-beaf-06bb2780ed98)
- [Flight duration calculator](/#calculator)