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

Distance from Poolesville, MD to Williams, SC

Distance

539 mi

Time

10 hours 17 mins

Gas Cost

$50 - $98

There are 463.45 miles from Poolesville to Williams in southwest direction and 539 miles (867.44 kilometers) by car, following the I-95 route.

Poolesville and Williams are 10 hours 17 mins far apart, if you drive non-stop .

This is the fastest route from Poolesville, MD to Williams, SC.

Poolesville, MD and Williams, SC are in the same time zone (EDT). Current time in both locations is 3:59 pm.

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Lowest Price Rental Cars in Poolesville, MD

Planning on renting a car to go from Poolesville, MD to Williams, SC? 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 21.65 gallons of gas to cover the route between Poolesville, MD and Williams, SC.

The estimated cost of gas to go from Poolesville to Williams is $70.63.

During the route, an average car will release 424.21 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 Williams, SC

If you want to meet halfway between Poolesville, MD and Williams, SC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.730016 and -78.016361, or 35º 43' 48.0576" N, 78º 0' 58.8996" W. This location is 269.57 miles away from Poolesville, MD and Williams, SC and it would take approximately 5 hours 8 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sims, NC, situated 275 miles from Poolesville, MD and 268 miles from Williams, SC. It would take 5 hours 18 mins to go from Poolesville to Sims and 5 hours 7 mins to go from Williams to Sims.