Distance between cities › USA › Maryland › Dunkirk, MD › Distance from Dunkirk to Castleton Book Hotels

Distance from Dunkirk, MD to Castleton, VA

Distance

100 mi

Time

2 hours 21 mins

Gas Cost

$9 - $18

There are 78.43 miles from Dunkirk to Castleton in west direction and 100 miles (160.93 kilometers) by car, following the I-66 route.

Dunkirk and Castleton are 2 hours 21 mins far apart, if you drive non-stop .

This is the fastest route from Dunkirk, MD to Castleton, VA. The halfway point is Fairfax, VA.

Dunkirk, MD and Castleton, VA are in the same time zone (EDT). Current time in both locations is 1:41 am.

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Lowest Price Rental Cars in Dunkirk, MD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dunkirk »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 4 gallons of gas to cover the route between Dunkirk, MD and Castleton, VA.

The estimated cost of gas to go from Dunkirk to Castleton is $13.05.

During the route, an average car will release 78.36 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 Dunkirk, MD and Castleton, VA

If you want to meet halfway between Dunkirk, MD and Castleton, VA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.859493 and -77.357941, or 38º 51' 34.1748" N, 77º 21' 28.5876" W. This location is 49.80 miles away from Dunkirk, MD and Castleton, VA and it would take approximately 1 hour 10 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 45 miles from Dunkirk, MD and 52 miles from Castleton, VA. It would take 53 minutes to go from Dunkirk to Fairfax and 1 hour 14 mins to go from Castleton to Fairfax.