# Distance from Christchurch (CHC) to Imperial (IML)

> 12,679 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,679 km / 7,878 mi / 6,846 nm
- **Estimated flight time**: 16h
- **Heading**: 56° (northeast)
- **Return heading**: 232° (southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -18h (When it's 09:01 in Christchurch, it's 15:01 in Imperial)
- **Elevation difference**: 3,153 ft (IML 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

### [Imperial Municipal Airport (IML)](https://www.flightduration.online/airport/iml-imperial-imperial-municipal-airport/1ef266df-2349-6cee-bbc5-06bb2780ed98)

- City: Imperial, United States
- ICAO: KIML
- Timezone: America/Denver
- Coordinates: 40.510000, -101.620000
- Elevation: 3,276 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 09:01 in Christchurch, it's 15:01 in Imperial.
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)
- [Imperial Municipal Airport (IML)](https://www.flightduration.online/airport/iml-imperial-imperial-municipal-airport/1ef266df-2349-6cee-bbc5-06bb2780ed98)
- [Flight duration calculator](/#calculator)