How is the flight distance measured?

Flight distances are measured as the great-circle (straight-line) distance between airports. Actual flight paths may be slightly longer due to air traffic routing and weather avoidance.

How long does the flight from Philadelphia to Sydney take?

Flight time depends on the exact route and aircraft, but at roughly 15,882 km the typical non-stop flight takes 1–10 hours. Check the flight duration page for the exact average.

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Flight Distance: Philadelphia to Sydney

15,882

Kilometres (km)

9,869

Miles (mi)

8,576

Nautical miles

About this flight distance

The great circle distance from Philadelphia to Sydney is approximately 15,882 km. The typical flight time is 19h 11m.

This is the shortest possible distance between the two cities as the crow flies. Real flight paths are often slightly longer due to air traffic control routing, weather, and airspace restrictions.

Related route pages

→Direct flights Philadelphia to Sydney →Flight duration Philadelphia to Sydney →Cheapest day to fly Philadelphia to Sydney →Flights Philadelphia to Sydney

Nearby airports

Near Philadelphia

New Castle Airport (ILG)38 km
Trenton Mercer Airport (TTN)58 km
Atlantic City International Airport (ACY)73 km

Frequently Asked Questions

The great-circle distance from Philadelphia to Sydney is approximately 15,882 km (9,869 miles).