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

Distance from Cornwall, CT to Dover, NH

Distance

199 mi

Time

4 hours 13 mins

Gas Cost

$19 - $36

There are 156.17 miles from Cornwall to Dover in northeast direction and 199 miles (320.26 kilometers) by car, following the I-495 route.

Cornwall and Dover are 4 hours 13 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, CT to Dover, NH. The halfway point is Auburn, MA.

Cornwall, CT and Dover, NH are in the same time zone (EDT). Current time in both locations is 9:44 pm.

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Lowest Price Rental Cars in Cornwall, CT

Planning on renting a car to go from Cornwall, CT to Dover, NH? 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 8.01 gallons of gas to cover the route between Cornwall, CT and Dover, NH.

The estimated cost of gas to go from Cornwall to Dover is $26.12.

During the route, an average car will release 156.85 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 Dover, NH

If you want to meet halfway between Cornwall, CT and Dover, NH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.199646 and -71.839615, or 42º 11' 58.7256" N, 71º 50' 22.614" W. This location is 99.68 miles away from Cornwall, CT and Dover, NH and it would take approximately 2 hours 6 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Auburn, MA, situated 95 miles from Cornwall, CT and 102 miles from Dover, NH. It would take 1 hour 57 mins to go from Cornwall to Auburn and 1 hour 45 mins to go from Dover to Auburn.

Major City Closest to Halfway Point

The major city closest to the halfway point between Cornwall, CT and Dover, NH is Worcester, MA, situated 100 miles from Cornwall, CT and 97 miles from Dover, NH. It would take 2 hours 3 mins to go from Cornwall to and 1 hour 38 mins to go from Dover to Worcester.