Distance From On the Rocks Airport to Sydney Kingsford Smith International Airport

The distance from On the Rocks Airport () to Sydney Kingsford Smith International Airport (SYD) is 7541 miles or 12135 kilometers or 6548 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.

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How long does it take to travel from Alpine ( United States ) to Sydney ( Australia )?

A one-way nonstop (direct) flight between Alpine and Sydney takes around 17 hours 20 minutes.

Estimated flight time from On the Rocks Airport, Alpine, United States to Sydney Kingsford Smith International Airport, Sydney, Australia is 17 hours 20 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		12135 km
Statute Miles		7541 miles
Nautical Miles		6548 nm
Avg. Time of Flight		17 hours 20 minutes

On the Rocks Airport to Sydney Kingsford Smith International Airport Flight Route Map - to SYD Flight Path

Location of On the Rocks Airport & Sydney Kingsford Smith International Airport is given below.
Click the map to view Alpine to Sydney nonstop flight path and travel direction.

Click to see flight route on Google Map between Alpine, United States and Sydney, Australia. .

Nonstop flight route between Alpine, United States and Sydney, Australia.

Time Difference Between the Airports • - SYD

Time difference between Alpine (United States) and Sydney (Australia) is 19 Hours.
Sydney time is 19 Hours ahead of Alpine.

Location	Local Time
Alpine (United States)	2025-12-14, 20:51:46 PST
Sydney (Australia)	2025-12-15, 15:51:46 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.

Origin

On the Rocks Airport ( / 1CA6) Alpine, United States

Destination

Sydney Kingsford Smith International Airport (SYD / YSSY) Sydney, Australia