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 Chicago to Perth take?

Flight time depends on the exact route and aircraft, but at roughly 17,630 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: Chicago to Perth

17,630

Kilometres (km)

10,955

Miles (mi)

9,519

Nautical miles

About this flight distance

The great circle distance from Chicago to Perth is approximately 17,630 km. The typical flight time is 21h 14m.

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

Nearby airports

Near Chicago

Chicago Midway International Airport (MDW)25 km
Gary Chicago International Airport (GYY)57 km
Michigan City Municipal Airport (MGC)95 km

Frequently Asked Questions

The great-circle distance from Chicago to Perth is approximately 17,630 km (10,955 miles).