# Distance from Christchurch (CHC) to Roundup (RPX)

> 12,651 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,651 km / 7,861 mi / 6,831 nm
- **Estimated flight time**: 16h
- **Heading**: 48° (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 08:58 in Christchurch, it's 14:58 in Roundup)
- **Elevation difference**: 3,367 ft (RPX 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

### [Roundup Airport (RPX)](https://www.flightduration.online/airport/rpx-roundup-roundup-airport/1ef266df-35b3-6aec-afe9-06bb2780ed98)

- City: Roundup, United States
- ICAO: KRPX
- Timezone: America/Denver
- Coordinates: 46.480000, -108.540000
- Elevation: 3,490 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 08:58 in Christchurch, it's 14:58 in Roundup.
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)
- [Roundup Airport (RPX)](https://www.flightduration.online/airport/rpx-roundup-roundup-airport/1ef266df-35b3-6aec-afe9-06bb2780ed98)
- [Flight duration calculator](/#calculator)