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

Distance from Decatur, OH to DCA Airport

Distance

463 mi

Time

9 hours 10 mins

Gas Cost

$42 - $82

Helpful Inaccurate

There are 358.59 miles from Decatur to Ronald Reagan Washington National Airport (DCA) in east direction and 463 miles (745.13 kilometers) by car, following the I-68 route.

Decatur and DCA Airport are 9 hours 10 mins far apart, if you drive non-stop .

This is the fastest route from Decatur, OH to DCA Airport. The halfway point is Owings, WV.

Decatur, OH and DCA Airport are in the same time zone (EDT). Current time in both locations is 1:27 pm.

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Lowest Price Rental Cars in Decatur, OH

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Decatur »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 18.61 gallons of gas to cover the route between Decatur, OH and DCA Airport.

The estimated cost of gas to go from Decatur to DCA Airport is $59.64.

During the route, an average car will release 364.68 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 Decatur, OH and DCA Airport

If you want to meet halfway between Decatur, 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 39.358757 and -80.235451, or 39º 21' 31.5252" N, 80º 14' 7.6236" W. This location is 231.74 miles away from Decatur, OH and DCA Airport and it would take approximately 4 hours 35 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Owings, WV, situated 232 miles from Decatur, OH and 244 miles from DCA Airport. It would take 4 hours 28 mins to go from Decatur to Owings and 3 hours 59 mins to go from DCA to Owings.