Distance From Northeast Florida Regional Airport to Sydney Kingsford Smith International Airport, UST - SYD Distance

The distance from Northeast Florida Regional Airport (UST) to Sydney Kingsford Smith International Airport (SYD) is 9379 miles or 15094 kilometers or 8145 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 St Augustine ( United States ) to Sydney ( Australia )?

A one-way nonstop (direct) flight between St Augustine and Sydney takes around 21 hours 33 minutes.

Estimated flight time from Northeast Florida Regional Airport, St Augustine, United States to Sydney Kingsford Smith International Airport, Sydney, Australia is 21 hours 33 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 • UST - SYD

Kilometers		15094 km
Statute Miles		9379 miles
Nautical Miles		8145 nm
Avg. Time of Flight		21 hours 33 minutes

Northeast Florida Regional Airport to Sydney Kingsford Smith International Airport Flight Route Map - UST to SYD Flight Path

Location of Northeast Florida Regional Airport & Sydney Kingsford Smith International Airport is given below.
Click the map to view St Augustine to Sydney nonstop flight path and travel direction.

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

Nonstop flight route between St Augustine, United States and Sydney, Australia.

Time Difference Between the Airports • UST - SYD

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

Location	Local Time
St Augustine (United States)	2025-12-05, 02:36:22 EST
Sydney (Australia)	2025-12-05, 18:36:22 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

Northeast Florida Regional Airport (UST / KSGJ) St Augustine, United States

Destination

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