Philadelphia to Sydney Flight Time, Distance, Route Map

Flight time from Philadelphia, United States to Sydney, Australia is 19 hours 45 minutes under avarage conditions. Our flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Actual flight times may vary depending on aircraft type, cruise speed, routing, weather conditions, passenger load, and other factors.

What is the Flight Distance Between Philadelphia and Sydney?

The flight distance from Philadelphia (United States) to Sydney (Australia) is 9870 miles. This is equivalent to 15884 kilometers or 8571 nautical miles. The calculated distance (air line) is the straight line distance or direct flight distance between cities. The nearest airport to Philadelphia, is Philadelphia International Airport (PHL) and the nearest airport to Sydney, is Kingsford Smith Airport (SYD).

Philadelphia - Sydney Timezones & Time Difference

Current local time in Philadelphia is 2025-12-13, 17:24:59 EST
Current local time in Sydney is 2025-12-14, 09:24:59 AEDT.
Time difference between Philadelphia (United States) and Sydney (Australia) is 16 Hours.
Sydney time is 16 Hours ahead of Philadelphia.

Philadelphia to Sydney Flight Route Map

Flight map from Philadelphia, United States to Sydney, Australia is given below.
Click the map to view Philadelphia to Sydney nonstop flight path and travel direction.

The distance between cities calculated based on their latitudes and longitudes. This is also called distance as the crow flies. Bird flight distance is calculated by drawing a straight line between two point coordinates. The length of this drawn line will give the shortest distance value. This distance may be very much different from the actual travel distance.


Philadelphia GPS Coordinates: Latitude: N 39° 57' 9.3'' Longitude: W 75° 9' 54.8''
Sydney GPS Coordinates: Latitude: S 33° 52' 2.9'' Longitude: E 151° 12' 25.1''

Philadelphia Map, Where is Philadelphia located?

Sydney Map, Where is Sydney located?