Distance between cities › USA › Virginia › Castleton, VA › Distance from Castleton to Ronald Reagan Washington National Airport Book Hotels

Distance from Castleton, VA to DCA Airport

Distance

70 mi

Time

1 hour 44 mins

Gas Cost

$7 - $13

Helpful Inaccurate

There are 59.93 miles from Castleton to Ronald Reagan Washington National Airport (DCA) in northeast direction and 70 miles (112.65 kilometers) by car, following the I-66 route.

Castleton and DCA Airport are 1 hour 44 mins far apart, if you drive non-stop .

This is the fastest route from Castleton, VA to DCA Airport. The halfway point is Gainesville, VA.

Castleton, VA and DCA Airport are in the same time zone (EDT). Current time in both locations is 3:14 am.

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Lowest Price Rental Cars in Castleton, VA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Castleton »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 2.81 gallons of gas to cover the route between Castleton, VA and DCA Airport.

The estimated cost of gas to go from Castleton to DCA Airport is $9.41.

During the route, an average car will release 55.14 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 $3.35 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Castleton, VA and DCA Airport

If you want to meet halfway between Castleton, VA 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 38.799259 and -77.587273, or 38º 47' 57.3324" N, 77º 35' 14.1828" W. This location is 35.04 miles away from Castleton, VA and DCA Airport and it would take approximately 52 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Gainesville, VA, situated 33 miles from Castleton, VA and 36 miles from DCA Airport. It would take 52 minutes to go from Castleton to Gainesville and 48 minutes to go from DCA to Gainesville.