# Distance from Constantine (CZL) to Sydney (SYD)

> 16,799 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,799 km / 10,438 mi / 9,071 nm
- **Estimated flight time**: 21h
- **Heading**: 96° (east)
- **Return heading**: 285° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Algeria) → Australia
- **Intercontinental**: Africa → Oceania
- **Time difference**: +9h (When it's 10:08 in Constantine, it's 19:08 in Sydney)
- **Elevation difference**: 2,244 ft (SYD is lower than CZL)

## Airports

### [Mohamed Boudiaf International Airport (CZL)](https://www.flightduration.online/airport/czl-constantine-mohamed-boudiaf-international-airport/1ef266de-b573-6bca-a28f-06bb2780ed98)

- City: Constantine, Algeria
- ICAO: DABC
- Timezone: Africa/Algiers
- Coordinates: 36.280000, 6.620000
- Elevation: 2,265 ft

### [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)

- City: Sydney, Australia
- ICAO: YSSY
- Timezone: Australia/Sydney
- Coordinates: -33.950000, 151.180000
- Elevation: 21 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 10:08 in Constantine, it's 19:08 in Sydney.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Mohamed Boudiaf International Airport (CZL)](https://www.flightduration.online/airport/czl-constantine-mohamed-boudiaf-international-airport/1ef266de-b573-6bca-a28f-06bb2780ed98)
- [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)
- [Flight duration calculator](/#calculator)