Distance between cities › USA › Connecticut › Cornwall, CT › Distance from Cornwall to Summit Book Hotels

Distance from Cornwall, CT to Summit, IL

Distance

852 mi

Time

16 hours 15 mins

Gas Cost

$79 - $154

There are 744.82 miles from Cornwall to Summit in west direction and 852 miles (1,371.16 kilometers) by car, following the I-80 route.

Cornwall and Summit are 16 hours 15 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, CT to Summit, IL. The halfway point is West Middlesex, PA.

Please note the time difference between Cornwall, CT and Summit, IL is 1 hour. The current time in Cornwall is 3:41 pm and the current time in Summit is 2:41 pm.

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Lowest Price Rental Cars in Cornwall, CT

Planning on renting a car to go from Cornwall, CT to Summit, IL? Here there are some offers to rent a car in Cornwall, CT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cornwall »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 34.21 gallons of gas to cover the route between Cornwall, CT and Summit, IL.

The estimated cost of gas to go from Cornwall to Summit is $111.58.

During the route, an average car will release 670.15 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 Cornwall, CT and Summit, IL

If you want to meet halfway between Cornwall, CT and Summit, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.185661 and -80.444168, or 41º 11' 8.3796" N, 80º 26' 39.0048" W. This location is 425.86 miles away from Cornwall, CT and Summit, IL and it would take approximately 8 hours 7 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is West Middlesex, PA, situated 446 miles from Cornwall, CT and 416 miles from Summit, IL. It would take 7 hours 11 mins to go from Cornwall to West Middlesex and 6 hours 30 mins to go from Summit to West Middlesex.