Distance between cities › USA › Ohio › Saint Johns, OH › Distance from Saint Johns to Ronald Reagan Washington National Airport Book Hotels

Distance from Saint Johns, OH to DCA Airport

Distance

481 mi

Time

9 hours 34 mins

Gas Cost

$44 - $86

Helpful Inaccurate

There are 392.37 miles from Saint Johns to Ronald Reagan Washington National Airport (DCA) in southeast direction and 481 miles (774.09 kilometers) by car, following the I-70 route.

Saint Johns and DCA Airport are 9 hours 34 mins far apart, if you drive non-stop .

This is the fastest route from Saint Johns, OH to DCA Airport. The halfway point is Washington, PA.

Saint Johns, OH and DCA Airport are in the same time zone (EDT). Current time in both locations is 2:49 pm.

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Lowest Price Rental Cars in Saint Johns, OH

Planning on renting a car to go from Saint Johns, OH to DCA Airport? Here there are some offers to rent a car in Saint Johns, OH

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Saint Johns »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 19.32 gallons of gas to cover the route between Saint Johns, OH and DCA Airport.

The estimated cost of gas to go from Saint Johns to DCA Airport is $61.89.

During the route, an average car will release 378.43 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Saint Johns, OH and DCA Airport

If you want to meet halfway between Saint Johns, OH 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 40.173683 and -80.265617, or 40º 10' 25.2588" N, 80º 15' 56.2212" W. This location is 240.48 miles away from Saint Johns, OH and DCA Airport and it would take approximately 4 hours 47 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Washington, PA, situated 239 miles from Saint Johns, OH and 259 miles from DCA Airport. It would take 3 hours 51 mins to go from Saint Johns to Washington and 4 hours 7 mins to go from DCA to Washington.

Major City Closest to Halfway Point

The major city closest to the halfway point between Saint Johns, OH and DCA Airport is Pittsburgh, PA, situated 268 miles from Saint Johns, OH and 245 miles from DCA Airport. It would take 4 hours 22 mins to go from Saint Johns to and 4 hours 4 mins to go from DCA to Pittsburgh.