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Distance from Castleton, VA to BWI Airport

Distance

103 mi

Time

2 hours 22 mins

Gas Cost

$9 - $18

Helpful Inaccurate

There are 86.84 miles from Castleton to Baltimore–Washington International Airport (BWI) in northeast direction and 103 miles (165.76 kilometers) by car, following the I-66 route.

Castleton and BWI Airport are 2 hours 22 mins far apart, if you drive non-stop .

This is the fastest route from Castleton, VA to BWI Airport. The halfway point is Fairfax, VA.

Castleton, VA and BWI Airport are in the same time zone (EDT). Current time in both locations is 9:20 pm.

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Lowest Price Rental Cars in Castleton, VA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Castleton »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 4.14 gallons of gas to cover the route between Castleton, VA and BWI Airport.

The estimated cost of gas to go from Castleton to BWI Airport is $13.26.

During the route, an average car will release 81.11 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 Castleton, VA and BWI Airport

If you want to meet halfway between Castleton, VA 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 38.864799 and -77.328537, or 38º 51' 53.2764" N, 77º 19' 42.7332" W. This location is 51.54 miles away from Castleton, VA and BWI Airport and it would take approximately 1 hour 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Fairfax, VA, situated 51 miles from Castleton, VA and 53 miles from BWI Airport. It would take 1 hour 14 mins to go from Castleton to Fairfax and 1 hour to go from BWI to Fairfax.

Major City Closest to Halfway Point

The major city closest to the halfway point between Castleton, VA and BWI Airport is Arlington, VA, situated 66 miles from Castleton, VA and 36 miles from BWI Airport. It would take 1 hour 33 mins to go from Castleton to and 47 minutes to go from BWI to Arlington.