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

Distance from Marengo, OH to BWI Airport

Distance

415 mi

Time

8 hours 11 mins

Gas Cost

$39 - $75

Helpful Inaccurate

There are 336.80 miles from Marengo to Baltimore–Washington International Airport (BWI) in southeast direction and 415 miles (667.88 kilometers) by car, following the I-68 and US-40 route.

Marengo and BWI Airport are 8 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Marengo, OH to BWI Airport. The halfway point is Mount Morris, PA.

Marengo, OH and BWI Airport are in the same time zone (EDT). Current time in both locations is 9:05 am.

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Lowest Price Rental Cars in Marengo, OH

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Marengo »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 16.67 gallons of gas to cover the route between Marengo, OH and BWI Airport.

The estimated cost of gas to go from Marengo to BWI Airport is $54.38.

During the route, an average car will release 326.64 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Marengo, OH and BWI Airport

If you want to meet halfway between Marengo, 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 39.734951 and -80.062363, or 39º 44' 5.8236" N, 80º 3' 44.5068" W. This location is 207.57 miles away from Marengo, OH and BWI Airport and it would take approximately 4 hours 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mount Morris, PA, situated 226 miles from Marengo, OH and 227 miles from BWI Airport. It would take 3 hours 27 mins to go from Marengo to Mount Morris and 3 hours 26 mins to go from BWI to Mount Morris.