The distance from National Harbor Heliport () to Perth International Airport (PER) is 11567 miles or 18615 kilometers or 10045 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.
18615 kilometers is the direct flight distance between National Harbor Heliport (United States) and Perth International Airport (Australia).
How long does it take to travel from Oxon Hill ( United States ) to Perth ( Australia )?
A one-way nonstop (direct) flight between Oxon Hill and Perth takes around 26 hours 35 minutes.
Estimated
flight time from National Harbor Heliport, Oxon Hill, United States to Perth International Airport, Perth, Australia is
26 hours 35 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 | | 18615 km |
| Statute Miles | | 11567 miles |
| Nautical Miles | | 10045 nm |
| Avg. Time of Flight | | 26 hours 35 minutes |
National Harbor Heliport to Perth International Airport Flight Route Map - to PER Flight Path
Location of National Harbor Heliport & Perth International Airport is given below.
Click the map to view Oxon Hill to Perth nonstop flight path and travel direction.
Click to see flight route on Google Map between Oxon Hill, United States and Perth, Australia. .
Nonstop flight route between Oxon Hill, United States and Perth, Australia.
Time Difference Between the Airports • - PER
Time difference between
Oxon Hill (United States) and
Perth (Australia) is 12 Hours.
Perth time is 12 Hours ahead of Oxon Hill.
| Location | Local Time |
| Oxon Hill (United States) | 2026-03-22, 11:53:53 EDT |
| Perth (Australia) | 2026-03-22, 23:53:53 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.