# Distance from Christchurch (CHC) to Seward (SWD)

> 12,031 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,031 km / 7,476 mi / 6,496 nm
- **Estimated flight time**: 15h
- **Heading**: 19° (north northeast)
- **Return heading**: 208° (south southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -20h (When it's 12:49 in Christchurch, it's 16:49 in Seward)
- **Elevation difference**: 95 ft (SWD 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

### [Seward Airport (SWD)](https://www.flightduration.online/airport/swd-seward-seward-airport/1ef266df-8883-6722-88df-06bb2780ed98)

- City: Seward, United States
- ICAO: PAWD
- Timezone: America/Anchorage
- Coordinates: 60.130000, -149.420000
- Elevation: 28 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 12:49 in Christchurch, it's 16:49 in Seward.
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)
- [Seward Airport (SWD)](https://www.flightduration.online/airport/swd-seward-seward-airport/1ef266df-8883-6722-88df-06bb2780ed98)
- [Flight duration calculator](/#calculator)