# Distance from Ostend (OST) to Sydney (SYD)

> 16,829 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,829 km / 10,457 mi / 9,087 nm
- **Estimated flight time**: 21h
- **Heading**: 65° (east northeast)
- **Return heading**: 317° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Belgium) → Australia
- **Intercontinental**: Europe → Oceania
- **Time difference**: +8h (When it's 04:27 in Ostend, it's 12:27 in Sydney)
- **Elevation difference**: 8 ft (SYD is higher than OST)

## Airports

### [Ostend-Bruges International Airport (OST)](https://www.flightduration.online/airport/ost-ostend-ostend-bruges-international-airport/1ef266de-b96e-6090-8f42-06bb2780ed98)

- City: Ostend, Belgium
- ICAO: EBOS
- Timezone: Europe/Brussels
- Coordinates: 51.200000, 2.860000
- Elevation: 13 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 04:27 in Ostend, it's 12:27 in Sydney.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Ostend-Bruges International Airport (OST)](https://www.flightduration.online/airport/ost-ostend-ostend-bruges-international-airport/1ef266de-b96e-6090-8f42-06bb2780ed98)
- [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)