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

Distance from Cornwall, CT to Allendale, IL

Distance

948 mi

Time

18 hours 11 mins

Gas Cost

$88 - $172

There are 791.79 miles from Cornwall to Allendale in southwest direction and 948 miles (1,525.66 kilometers) by car, following the I-80 route.

Cornwall and Allendale are 18 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, CT to Allendale, IL. The halfway point is Lake Milton, OH.

Please note the time difference between Cornwall, CT and Allendale, IL is 1 hour. The current time in Cornwall is 3:39 pm and the current time in Allendale is 2:39 pm.

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Lowest Price Rental Cars in Cornwall, CT

Planning on renting a car to go from Cornwall, CT to Allendale, 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 38.07 gallons of gas to cover the route between Cornwall, CT and Allendale, IL.

The estimated cost of gas to go from Cornwall to Allendale is $124.18.

During the route, an average car will release 745.83 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 Allendale, IL

If you want to meet halfway between Cornwall, CT and Allendale, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.116947 and -80.932159, or 41º 7' 1.0092" N, 80º 55' 55.7724" W. This location is 473.95 miles away from Cornwall, CT and Allendale, IL and it would take approximately 9 hours 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Lake Milton, OH, situated 474 miles from Cornwall, CT and 481 miles from Allendale, IL. It would take 7 hours 34 mins to go from Cornwall to Lake Milton and 7 hours 42 mins to go from Allendale to Lake Milton.

Major City Closest to Halfway Point

The major city closest to the halfway point between Cornwall, CT and Allendale, IL is Akron, OH, situated 505 miles from Cornwall, CT and 449 miles from Allendale, IL. It would take 8 hours 2 mins to go from Cornwall to and 7 hours 13 mins to go from Allendale to Akron.