Distance From Unknown Field to Sydney Kingsford Smith International Airport

The distance from Unknown Field () to Sydney Kingsford Smith International Airport (SYD) is 10070 miles or 16206 kilometers or 8745 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 Southborough ( United States ) to Sydney ( Australia )?

A one-way nonstop (direct) flight between Southborough and Sydney takes around 23 hours 9 minutes.

Estimated flight time from Unknown Field, Southborough, United States to Sydney Kingsford Smith International Airport, Sydney, Australia is 23 hours 9 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		16206 km
Statute Miles		10070 miles
Nautical Miles		8745 nm
Avg. Time of Flight		23 hours 9 minutes

Unknown Field to Sydney Kingsford Smith International Airport Flight Route Map - to SYD Flight Path

Location of Unknown Field & Sydney Kingsford Smith International Airport is given below.
Click the map to view Southborough to Sydney nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - SYD

Time difference between Southborough (United States) and Sydney (Australia) is 16 Hours.
Sydney time is 16 Hours ahead of Southborough.

Location	Local Time
Southborough (United States)	2025-01-15, 06:53:56 EST
Sydney (Australia)	2025-01-15, 22:53:56 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

Unknown Field ( / 1MA5) Southborough, United States

Destination

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