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 Perth take?

Flight time depends on the exact route and aircraft, but at roughly 18,676 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 Perth

18,676

Kilometres (km)

11,605

Miles (mi)

10,084

Nautical miles

About this flight distance

The great circle distance from Philadelphia to Perth is approximately 18,676 km. The typical flight time is 22h 28m.

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 Perth →Flight duration Philadelphia to Perth →Cheapest day to fly Philadelphia to Perth →Flights Philadelphia to Perth

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 Perth is approximately 18,676 km (11,605 miles).