Distance between cities › USA › Ohio › Somerville, OH › Distance from Somerville to Baltimore–Washington International Airport Book Hotels

Distance from Somerville, OH to BWI Airport

Distance

512 mi

Time

9 hours 56 mins

Gas Cost

$47 - $91

Helpful Inaccurate

There are 426.41 miles from Somerville to Baltimore–Washington International Airport (BWI) in east direction and 512 miles (823.98 kilometers) by car, following the I-70 route.

Somerville and BWI Airport are 9 hours 56 mins far apart, if you drive non-stop .

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

Somerville, OH and BWI Airport are in the same time zone (EDT). Current time in both locations is 4:33 pm.

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Lowest Price Rental Cars in Somerville, OH

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Somerville »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 20.54 gallons of gas to cover the route between Somerville, OH and BWI Airport.

The estimated cost of gas to go from Somerville to BWI Airport is $65.82.

During the route, an average car will release 402.51 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 Somerville, OH and BWI Airport

If you want to meet halfway between Somerville, 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 40.121376 and -80.448830, or 40º 7' 16.9536" N, 80º 26' 55.788" W. This location is 255.78 miles away from Somerville, OH and BWI Airport and it would take approximately 4 hours 58 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 256 miles from Somerville, OH and 276 miles from BWI Airport. It would take 4 hours 4 mins to go from Somerville to Claysville and 4 hours 11 mins to go from BWI to Claysville.