# Distance from Christchurch (CHC) to Siwa (SEW)

> 16,702 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,702 km / 10,378 mi / 9,018 nm
- **Estimated flight time**: 21h
- **Heading**: 253° (west southwest)
- **Return heading**: 127° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → Egypt
- **Intercontinental**: Oceania → Africa
- **Time difference**: -9h (When it's 21:56 in Christchurch, it's 12:56 in Siwa)
- **Elevation difference**: 207 ft (SEW is higher than CHC)

## Airports

### [Christchurch International Airport (CHC)](https://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

### [Siwa Oasis North Airport (SEW)](https://flightduration.online/airport/sew-siwa-siwa-oasis-north-airport/1ef266de-eaf9-6fce-aa9a-06bb2780ed98)

- City: Siwa, Egypt
- ICAO: HE24
- Timezone: Africa/Cairo
- Coordinates: 29.350000, 25.510000
- Elevation: 330 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 21:56 in Christchurch, it's 12:56 in Siwa.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Christchurch International Airport (CHC)](https://flightduration.online/airport/chc-christchurch-christchurch-international-airport/1ef266df-7661-64f4-a788-06bb2780ed98)
- [Siwa Oasis North Airport (SEW)](https://flightduration.online/airport/sew-siwa-siwa-oasis-north-airport/1ef266de-eaf9-6fce-aa9a-06bb2780ed98)
- [Flight duration calculator](/#calculator)