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

Distance from Poolesville, MD to Diamond, OH

Distance

297 mi

Time

5 hours 42 mins

Gas Cost

$28 - $54

There are 233.81 miles from Poolesville to Diamond in northwest direction and 297 miles (477.98 kilometers) by car, following the I-70 and I-76 and PATP route.

Poolesville and Diamond are 5 hours 42 mins far apart, if you drive non-stop .

This is the fastest route from Poolesville, MD to Diamond, OH.

Poolesville, MD and Diamond, OH are in the same time zone (EDT). Current time in both locations is 9:24 am.

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Lowest Price Rental Cars in Poolesville, MD

Planning on renting a car to go from Poolesville, MD to Diamond, OH? 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 11.93 gallons of gas to cover the route between Poolesville, MD and Diamond, OH.

The estimated cost of gas to go from Poolesville to Diamond is $38.92.

During the route, an average car will release 233.75 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 Diamond, OH

If you want to meet halfway between Poolesville, MD and Diamond, OH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.007486 and -79.062401, or 40º 0' 26.9496" N, 79º 3' 44.6436" W. This location is 148.54 miles away from Poolesville, MD and Diamond, OH and it would take approximately 2 hours 51 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Somerset, PA, situated 153 miles from Poolesville, MD and 147 miles from Diamond, OH. It would take 3 hours 5 mins to go from Poolesville to Somerset and 2 hours 42 mins to go from Diamond to Somerset.