# Distance from Christchurch (CHC) to Old Harbor (OLH)

> 11,642 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,642 km / 7,234 mi / 6,286 nm
- **Estimated flight time**: 15h
- **Heading**: 18° (north northeast)
- **Return heading**: 205° (south southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -20h (When it's 05:43 in Christchurch, it's 09:43 in Old Harbor)
- **Elevation difference**: 68 ft (OLH is lower 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

### [Old Harbor Airport (OLH)](https://www.flightduration.online/airport/olh-old-harbor-old-harbor-airport/1ef266df-067e-64c0-83c2-06bb2780ed98)

- City: Old Harbor, United States
- ICAO: K6R7
- Timezone: America/Anchorage
- Coordinates: 57.220000, -153.270000
- Elevation: 55 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 05:43 in Christchurch, it's 09:43 in Old Harbor.
With a 20-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)
- [Old Harbor Airport (OLH)](https://www.flightduration.online/airport/olh-old-harbor-old-harbor-airport/1ef266df-067e-64c0-83c2-06bb2780ed98)
- [Flight duration calculator](/#calculator)