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

Distance from Troy, OH to BWI Airport

Distance

477 mi

Time

9 hours 14 mins

Gas Cost

$44 - $85

Helpful Inaccurate

There are 405.36 miles from Troy to Baltimore–Washington International Airport (BWI) in east direction and 477 miles (767.66 kilometers) by car, following the I-70 route.

Troy and BWI Airport are 9 hours 14 mins far apart, if you drive non-stop .

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

Troy, OH and BWI Airport are in the same time zone (EDT). Current time in both locations is 4:26 pm.

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Lowest Price Rental Cars in Troy, OH

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Troy »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 19.15 gallons of gas to cover the route between Troy, OH and BWI Airport.

The estimated cost of gas to go from Troy to BWI Airport is $61.35.

During the route, an average car will release 375.12 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 Troy, OH and BWI Airport

If you want to meet halfway between Troy, 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 40.173943 and -80.217201, or 40º 10' 26.1948" N, 80º 13' 1.9236" W. This location is 238.38 miles away from Troy, OH and BWI Airport and it would take approximately 4 hours 37 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Washington, PA, situated 236 miles from Troy, OH and 261 miles from BWI Airport. It would take 3 hours 38 mins to go from Troy to Washington and 3 hours 59 mins to go from BWI to Washington.

Major City Closest to Halfway Point

The major city closest to the halfway point between Troy, OH and BWI Airport is Pittsburgh, PA, situated 265 miles from Troy, OH and 248 miles from BWI Airport. It would take 4 hours 9 mins to go from Troy to and 3 hours 56 mins to go from BWI to Pittsburgh.