Distance between cities › USA › Illinois › Rio, IL › Distance from Rio to Poolesville Book Hotels

Distance from Rio, IL to Poolesville, MD

Distance

835 mi

Time

15 hours 38 mins

Gas Cost

$78 - $151

There are 698.46 miles from Rio to Poolesville in east direction and 835 miles (1,343.80 kilometers) by car, following the I-76 and PATP route.

Rio and Poolesville are 15 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Rio, IL to Poolesville, MD.

Please note the time difference between Rio, IL and Poolesville, MD is 1 hour. The current time in Rio is 5:37 am and the current time in Poolesville is 6:37 am.

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Lowest Price Rental Cars in Rio, IL

Planning on renting a car to go from Rio, IL to Poolesville, MD? Here there are some offers to rent a car in Rio, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Rio »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 33.52 gallons of gas to cover the route between Rio, IL and Poolesville, MD.

The estimated cost of gas to go from Rio to Poolesville is $109.34.

During the route, an average car will release 656.69 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 Rio, IL and Poolesville, MD

If you want to meet halfway between Rio, IL and Poolesville, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.511097 and -83.420338, or 41º 30' 39.9492" N, 83º 25' 13.2168" W. This location is 417.30 miles away from Rio, IL and Poolesville, MD and it would take approximately 7 hours 49 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Lemoyne, OH, situated 407 miles from Rio, IL and 435 miles from Poolesville, MD. It would take 7 hours 39 mins to go from Rio to Lemoyne and 8 hours 11 mins to go from Poolesville to Lemoyne.

Major City Closest to Halfway Point

The major city closest to the halfway point between Rio, IL and Poolesville, MD is Toledo, OH, situated 401 miles from Rio, IL and 446 miles from Poolesville, MD. It would take 7 hours 37 mins to go from Rio to Toledo and 8 hours 25 mins to go from Poolesville to Toledo.