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

Distance from Cornwall, CT to Rock, MI

Distance

1,002 mi

Time

19 hours 17 mins

Gas Cost

$93 - $182

There are 746.28 miles from Cornwall to Rock in northwest direction and 1,002 miles (1,612.56 kilometers) by car, following the I-90 route.

Cornwall and Rock are 19 hours 17 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, CT to Rock, MI.

Cornwall, CT and Rock, MI are in the same time zone (EDT). Current time in both locations is 7:16 pm.

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Lowest Price Rental Cars in Cornwall, CT

Planning on renting a car to go from Cornwall, CT to Rock, MI? 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 40.26 gallons of gas to cover the route between Cornwall, CT and Rock, MI.

The estimated cost of gas to go from Cornwall to Rock is $131.33.

During the route, an average car will release 788.78 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 Rock, MI

If you want to meet halfway between Cornwall, CT and Rock, MI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.961412 and -81.043179, or 42º 57' 41.0832" N, 81º 2' 35.4444" W. This location is 501.24 miles away from Cornwall, CT and Rock, MI and it would take approximately 9 hours 38 mins to reach the halfway point from both locations.