Distance between cities › USA › Connecticut › Windham, CT › Distance from Windham to Shallmar Book Hotels

Distance from Windham, CT to Shallmar, MD

Distance

491 mi

Time

10 hours 22 mins

Gas Cost

$46 - $89

There are 403.13 miles from Windham to Shallmar in southwest direction and 491 miles (790.19 kilometers) by car, following the I-81 route.

Windham and Shallmar are 10 hours 22 mins far apart, if you drive non-stop .

This is the fastest route from Windham, CT to Shallmar, MD.

Windham, CT and Shallmar, MD are in the same time zone (EDT). Current time in both locations is 6:34 am.

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Lowest Price Rental Cars in Windham, CT

Planning on renting a car to go from Windham, CT to Shallmar, MD? Here there are some offers to rent a car in Windham, CT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Windham »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 19.72 gallons of gas to cover the route between Windham, CT and Shallmar, MD.

The estimated cost of gas to go from Windham to Shallmar is $64.33.

During the route, an average car will release 386.35 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 Windham, CT and Shallmar, MD

If you want to meet halfway between Windham, CT and Shallmar, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.578852 and -75.687286, or 40º 34' 43.8672" N, 75º 41' 14.2296" W. This location is 245.51 miles away from Windham, CT and Shallmar, MD and it would take approximately 5 hours 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Fogelsville, PA, situated 242 miles from Windham, CT and 250 miles from Shallmar, MD. It would take 5 hours 10 mins to go from Windham to Fogelsville and 5 hours 15 mins to go from Shallmar to Fogelsville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Windham, CT and Shallmar, MD is Allentown, PA, situated 237 miles from Windham, CT and 257 miles from Shallmar, MD. It would take 5 hours 4 mins to go from Windham to Allentown and 5 hours 25 mins to go from Shallmar to Allentown.