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Distance from Cincinnati, OH to BWI Airport

Distance

507 mi

Time

9 hours 53 mins

Gas Cost

$46 - $90

Helpful Inaccurate

There are 420.23 miles from Cincinnati to Baltimore–Washington International Airport (BWI) in east direction and 507 miles (815.94 kilometers) by car, following the I-70 route.

Cincinnati and BWI Airport are 9 hours 53 mins far apart, if you drive non-stop .

This is the fastest route from Cincinnati, OH to BWI Airport. The halfway point is Claysville, PA.

Cincinnati, OH and BWI Airport are in the same time zone (EDT). Current time in both locations is 1:16 pm.

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Lowest Price Rental Cars in Cincinnati, OH

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cincinnati »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 20.38 gallons of gas to cover the route between Cincinnati, OH and BWI Airport.

The estimated cost of gas to go from Cincinnati to BWI Airport is $65.29.

During the route, an average car will release 399.24 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 Cincinnati, OH and BWI Airport

If you want to meet halfway between Cincinnati, OH and BWI Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.126633 and -80.381203, or 40º 7' 35.8788" N, 80º 22' 52.3308" W. This location is 253.70 miles away from Cincinnati, OH and BWI Airport and it would take approximately 4 hours 56 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Claysville, PA, situated 252 miles from Cincinnati, OH and 276 miles from BWI Airport. It would take 3 hours 57 mins to go from Cincinnati to Claysville and 4 hours 11 mins to go from BWI to Claysville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Cincinnati, OH and BWI Airport is Pittsburgh, PA, situated 290 miles from Cincinnati, OH and 248 miles from BWI Airport. It would take 4 hours 39 mins to go from Cincinnati to and 3 hours 56 mins to go from BWI to Pittsburgh.