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Distance from Washington, CT to DCA Airport

Distance

318 mi

Time

6 hours 51 mins

Gas Cost

$28 - $54

Helpful Inaccurate

There are 274.83 miles from Washington to Ronald Reagan Washington National Airport (DCA) in southwest direction and 318 miles (511.77 kilometers) by car, following the I-95 and NJTP route.

Washington and DCA Airport are 6 hours 51 mins far apart, if you drive non-stop .

This is the fastest route from Washington, CT to DCA Airport. The halfway point is Mount Laurel, NJ.

Washington, CT and DCA Airport are in the same time zone (EDT). Current time in both locations is 11:51 pm.

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Lowest Price Rental Cars in Washington, CT

Planning on renting a car to go from Washington, CT to DCA Airport? Here there are some offers to rent a car in Washington, CT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Washington »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 12.76 gallons of gas to cover the route between Washington, CT and DCA Airport.

The estimated cost of gas to go from Washington to DCA Airport is $39.08.

During the route, an average car will release 249.94 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.06 per gallon of regular gas. Price last updated on March 9, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Washington, CT and DCA Airport

If you want to meet halfway between Washington, CT and DCA Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.950695 and -74.913094, or 39º 57' 2.502" N, 74º 54' 47.1384" W. This location is 158.83 miles away from Washington, CT and DCA Airport and it would take approximately 3 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mount Laurel, NJ, situated 169 miles from Washington, CT and 155 miles from DCA Airport. It would take 3 hours 7 mins to go from Washington to Mount Laurel and 2 hours 43 mins to go from DCA to Mount Laurel.

Major City Closest to Halfway Point

The major city closest to the halfway point between Washington, CT and DCA Airport is Philadelphia, PA, situated 180 miles from Washington, CT and 142 miles from DCA Airport. It would take 3 hours 19 mins to go from Washington to and 2 hours 34 mins to go from DCA to Philadelphia.