Distance From Post Mills Airport to Ronald Reagan Washington National Airport

The distance from Post Mills Airport () to Ronald Reagan Washington National Airport (DCA) is 427 miles or 688 kilometers or 371 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 Post Mills ( United States ) to Washington ( United States )?

A one-way nonstop (direct) flight between Post Mills and Washington takes around 0 hours 58 minutes.

Estimated flight time from Post Mills Airport, Post Mills, United States to Ronald Reagan Washington National Airport, Washington, United States is 0 hours 58 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 • - DCA

Kilometers		688 km
Statute Miles		427 miles
Nautical Miles		371 nm
Avg. Time of Flight		0 hours 58 minutes

Post Mills Airport to Ronald Reagan Washington National Airport Flight Route Map - to DCA Flight Path

Location of Post Mills Airport & Ronald Reagan Washington National Airport is given below.
Click the map to view Post Mills to Washington nonstop flight path and travel direction.

Click to see flight route on Google Map between Post Mills, United States and Washington, United States. .

Nonstop flight route between Post Mills, United States and Washington, United States.

Time Difference Between the Airports • - DCA

Time difference between Post Mills (United States) and Washington (United States) is 0 Hours.

Location	Local Time
Post Mills (United States)	2026-03-20, 14:42:48 EDT
Washington (United States)	2026-03-20, 14:42:48 EDT

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

Post Mills Airport ( / 2B9) Post Mills, United States

Destination

Ronald Reagan Washington National Airport (DCA / KDCA) Washington, United States