Distance From Portsmouth International at Pease Airport to Perth International Airport, PSM - PER Distance

The distance from Portsmouth International at Pease Airport (PSM) to Perth International Airport (PER) is 11583 miles or 18640 kilometers or 10058 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.

---

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

A one-way nonstop (direct) flight between Portsmouth and Perth takes around 26 hours 37 minutes.

Estimated flight time from Portsmouth International at Pease Airport, Portsmouth, United States to Perth International Airport, Perth, Australia is 26 hours 37 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 • PSM - PER

Kilometers		18640 km
Statute Miles		11583 miles
Nautical Miles		10058 nm
Avg. Time of Flight		26 hours 37 minutes

Portsmouth International at Pease Airport to Perth International Airport Flight Route Map - PSM to PER Flight Path

Location of Portsmouth International at Pease Airport & Perth International Airport is given below.
Click the map to view Portsmouth to Perth nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • PSM - PER

Time difference between Portsmouth (United States) and Perth (Australia) is 13 Hours.
Perth time is 13 Hours ahead of Portsmouth.

Location	Local Time
Portsmouth (United States)	2025-12-15, 06:29:02 EST
Perth (Australia)	2025-12-15, 19:29:02 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

Portsmouth International at Pease Airport (PSM / KPSM) Portsmouth, United States

Destination

Perth International Airport (PER / YPPH) Perth, Australia