Distance From Groton New London Airport to Ronald Reagan Washington National Airport, GON - DCA Distance

The distance from Groton New London Airport (GON) to Ronald Reagan Washington National Airport (DCA) is 315 miles or 507 kilometers or 274 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 Groton ( United States ) to Washington ( United States )?

A one-way nonstop (direct) flight between Groton and Washington takes around 0 hours 43 minutes.

Estimated flight time from Groton New London Airport, Groton, United States to Ronald Reagan Washington National Airport, Washington, United States is 0 hours 43 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 • GON - DCA

Kilometers		507 km
Statute Miles		315 miles
Nautical Miles		274 nm
Avg. Time of Flight		0 hours 43 minutes

Groton New London Airport to Ronald Reagan Washington National Airport Flight Route Map - GON to DCA Flight Path

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

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

Nonstop flight route between Groton, United States and Washington, United States.

Time Difference Between the Airports • GON - DCA

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

Location	Local Time
Groton (United States)	2025-12-07, 13:46:53 EST
Washington (United States)	2025-12-07, 13:46:53 EST

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

Groton New London Airport (GON / KGON) Groton, United States

Destination

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