Distance between cities › USA › Maryland › Poolesville, MD › Distance from Poolesville to Clarks Summit Book Hotels

Distance from Poolesville, MD to Clarks Summit, PA

Distance

225 mi

Time

4 hours 51 mins

Gas Cost

$21 - $41

There are 185.20 miles from Poolesville to Clarks Summit in northeast direction and 225 miles (362.10 kilometers) by car, following the I-81 route.

Poolesville and Clarks Summit are 4 hours 51 mins far apart, if you drive non-stop .

This is the fastest route from Poolesville, MD to Clarks Summit, PA. The halfway point is Grantville, PA.

Poolesville, MD and Clarks Summit, PA are in the same time zone (EDT). Current time in both locations is 2:21 pm.

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Lowest Price Rental Cars in Poolesville, MD

Planning on renting a car to go from Poolesville, MD to Clarks Summit, PA? Here there are some offers to rent a car in Poolesville, MD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Poolesville »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 9.03 gallons of gas to cover the route between Poolesville, MD and Clarks Summit, PA.

The estimated cost of gas to go from Poolesville to Clarks Summit is $29.44.

During the route, an average car will release 176.83 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 Poolesville, MD and Clarks Summit, PA

If you want to meet halfway between Poolesville, MD and Clarks Summit, PA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.393509 and -76.613808, or 40º 23' 36.6324" N, 76º 36' 49.7088" W. This location is 112.37 miles away from Poolesville, MD and Clarks Summit, PA and it would take approximately 2 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Grantville, PA, situated 112 miles from Poolesville, MD and 115 miles from Clarks Summit, PA. It would take 2 hours 8 mins to go from Poolesville to Grantville and 1 hour 57 mins to go from Clarks Summit to Grantville.