The distance from Alliston Airport () to Sydney Kingsford Smith International Airport (SYD) is 9657 miles or 15541 kilometers or 8386 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
15541 kilometers is the direct flight distance between Alliston Airport (Canada) and Sydney Kingsford Smith International Airport (Australia).
How long does it take to travel from Alliston ( Canada ) to Sydney ( Australia )?
A one-way nonstop (direct) flight between Alliston and Sydney takes around 22 hours 12 minutes.
Estimated
flight time from Alliston Airport, Alliston, Canada to Sydney Kingsford Smith International Airport, Sydney, Australia is
22 hours 12 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • - SYD
| Kilometers | | 15541 km |
| Statute Miles | | 9657 miles |
| Nautical Miles | | 8386 nm |
| Avg. Time of Flight | | 22 hours 12 minutes |
Alliston Airport to Sydney Kingsford Smith International Airport Flight Route Map - to SYD Flight Path
Location of Alliston Airport & Sydney Kingsford Smith International Airport is given below.
Click the map to view Alliston to Sydney nonstop flight path and travel direction.
Click to see flight route on Google Map between Alliston, Canada and Sydney, Australia. .
Nonstop flight route between Alliston, Canada and Sydney, Australia.
Time Difference Between the Airports • - SYD
Time difference between
Alliston (Canada) and
Sydney (Australia) is 15 Hours.
Sydney time is 15 Hours ahead of Alliston.
| Location | Local Time |
| Alliston (Canada) | 2026-03-13, 14:16:52 EDT |
| Sydney (Australia) | 2026-03-14, 05:16:52 AEDT |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.