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

Distance from DCA Airport to Pentagon, DC

Distance

3 mi

Time

8 minutes

Gas Cost

$0 - $1

Helpful Inaccurate

There are 1.67 miles from Ronald Reagan Washington National Airport (DCA) to Pentagon in northwest direction and 3 miles (4.83 kilometers) by car, following the Thomas Avenue route.

DCA Airport and Pentagon are 8 minutes far apart, if you drive non-stop .

This is the fastest route from DCA Airport to Pentagon, DC.

DCA Airport and Pentagon, DC are in the same time zone (EDT). Current time in both locations is 6:38 pm.

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Lowest Price Rental Cars in DCA Airport

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ronald Reagan Washington National Airport »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.13 gallons of gas to cover the route between DCA Airport and Pentagon, DC.

The estimated cost of gas to go from DCA Airport to Pentagon is $0.41.

During the route, an average car will release 2.60 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 $3.07 per gallon of regular gas. Price last updated on March 10, 2026.
Read more about our CO₂ calculation.

Halfway Point Between DCA Airport and Pentagon, DC

If you want to meet halfway between DCA Airport and Pentagon, DC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.879799 and -77.051659, or 38º 52' 47.2764" N, 77º 3' 5.9724" W. This location is 1.65 miles away from DCA Airport and Pentagon, DC and it would take approximately 4 minutes to reach the halfway point from both locations.