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

Distance from Seaman, OH to DCA Airport

Distance

451 mi

Time

8 hours 52 mins

Gas Cost

$41 - $80

Helpful Inaccurate

There are 351.24 miles from Seaman to Ronald Reagan Washington National Airport (DCA) in east direction and 451 miles (725.81 kilometers) by car, following the I-68 route.

Seaman and DCA Airport are 8 hours 52 mins far apart, if you drive non-stop .

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

Seaman, OH and DCA Airport are in the same time zone (EDT). Current time in both locations is 2:57 pm.

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Lowest Price Rental Cars in Seaman, OH

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Seaman »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 18.10 gallons of gas to cover the route between Seaman, OH and DCA Airport.

The estimated cost of gas to go from Seaman to DCA Airport is $57.98.

During the route, an average car will release 354.56 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 Seaman, OH and DCA Airport

If you want to meet halfway between Seaman, 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 39.443985 and -80.164299, or 39º 26' 38.346" N, 80º 9' 51.4764" W. This location is 225.31 miles away from Seaman, OH and DCA Airport and it would take approximately 4 hours 26 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kingmont, WV, situated 225 miles from Seaman, OH and 230 miles from DCA Airport. It would take 4 hours to go from Seaman to Kingmont and 3 hours 36 mins to go from DCA to Kingmont.