Distance From Allison Farm Airport to Perth International Airport

The distance from Allison Farm Airport () to Perth International Airport (PER) is 10499 miles or 16896 kilometers or 9117 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.

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How long does it take to travel from Decatur ( United States ) to Perth ( Australia )?

A one-way nonstop (direct) flight between Decatur and Perth takes around 24 hours 8 minutes.

Estimated flight time from Allison Farm Airport, Decatur, United States to Perth International Airport, Perth, Australia is 24 hours 8 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 • - PER

Kilometers		16896 km
Statute Miles		10499 miles
Nautical Miles		9117 nm
Avg. Time of Flight		24 hours 8 minutes

Allison Farm Airport to Perth International Airport Flight Route Map - to PER Flight Path

Location of Allison Farm Airport & Perth International Airport is given below.
Click the map to view Decatur to Perth nonstop flight path and travel direction.

Click to see flight route on Google Map between Decatur, United States and Perth, Australia. .

Nonstop flight route between Decatur, United States and Perth, Australia.

Time Difference Between the Airports • - PER

Time difference between Decatur (United States) and Perth (Australia) is 15 Hours.
Perth time is 15 Hours ahead of Decatur.

Location	Local Time
Decatur (United States)	2025-12-15, 04:31:07 MST
Perth (Australia)	2025-12-15, 19:31:07 AWST

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.

Origin

Allison Farm Airport ( / XA34) Decatur, United States

Destination

Perth International Airport (PER / YPPH) Perth, Australia