The distance from Sydney Kingsford Smith International Airport (SYD) to Philadelphia International Airport (PHL) is 9869 miles or 15882 kilometers or 8570 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.
15882 kilometers is the direct flight distance between Sydney Kingsford Smith International Airport (Australia) and Philadelphia International Airport (United States).
How long does it take to travel from Sydney ( Australia ) to Philadelphia ( United States )?
A one-way nonstop (direct) flight between Sydney and Philadelphia takes around 22 hours 41 minutes.
Estimated
flight time from Sydney Kingsford Smith International Airport, Sydney, Australia to Philadelphia International Airport, Philadelphia, United States is
22 hours 41 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 - PHL
| Kilometers | | 15882 km |
| Statute Miles | | 9869 miles |
| Nautical Miles | | 8570 nm |
| Avg. Time of Flight | | 22 hours 41 minutes |
Sydney Kingsford Smith International Airport to Philadelphia International Airport Flight Route Map - SYD to PHL Flight Path
Location of Sydney Kingsford Smith International Airport & Philadelphia International Airport is given below.
Click the map to view Sydney to Philadelphia nonstop flight path and travel direction.
Click to see flight route on Google Map between Sydney, Australia and Philadelphia, United States. .
Nonstop flight route between Sydney, Australia and Philadelphia, United States.
Time Difference Between the Airports • SYD - PHL
Time difference between
Sydney (Australia) and
Philadelphia (United States) is 14 Hours.
Philadelphia time is 14 Hours behind Sydney.
| Location | Local Time |
| Sydney (Australia) | 2026-06-20, 22:42:47 AEST |
| Philadelphia (United States) | 2026-06-20, 08:42:47 EDT |
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.