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

Distance from Dunkirk, MD to Potomac, MD

Distance

46 mi

Time

1 hour 8 mins

Gas Cost

$5 - $9

There are 35.90 miles from Dunkirk to Potomac in northwest direction and 46 miles (74.03 kilometers) by car, following the I-495 route.

Dunkirk and Potomac are 1 hour 8 mins far apart, if you drive non-stop .

This is the fastest route from Dunkirk, MD to Potomac, MD. The halfway point is Hillcrest Heights, MD.

Dunkirk, MD and Potomac, MD are in the same time zone (EDT). Current time in both locations is 10:00 pm.

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Lowest Price Rental Cars in Dunkirk, MD

Planning on renting a car to go from Dunkirk, MD to Potomac, MD? 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 1.84 gallons of gas to cover the route between Dunkirk, MD and Potomac, MD.

The estimated cost of gas to go from Dunkirk to Potomac is $6.46.

During the route, an average car will release 35.95 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 $3.52 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Dunkirk, MD and Potomac, MD

If you want to meet halfway between Dunkirk, MD and Potomac, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.849289 and -76.967255, or 38º 50' 57.4404" N, 76º 58' 2.118" W. This location is 22.85 miles away from Dunkirk, MD and Potomac, MD and it would take approximately 34 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hillcrest Heights, MD, situated 22 miles from Dunkirk, MD and 25 miles from Potomac, MD. It would take 27 minutes to go from Dunkirk to Hillcrest Heights and 34 minutes to go from Potomac to Hillcrest Heights.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dunkirk, MD and Potomac, MD is Washington, DC, situated 30 miles from Dunkirk, MD and 13 miles from Potomac, MD. It would take 36 minutes to go from Dunkirk to and 21 minutes to go from Potomac to Washington.