Distance between cities › Canada › Ontario › Cornwall, ON › Distance from Cornwall to Mount Denson Book Hotels

Distance from Cornwall, ON to Mount Denson, NS

Distance

1,092 km

Time

16 hours 6 mins

Gas Cost

$82 - $198

There are 829.48 km (515.42 miles) from Cornwall to Mount Denson in east direction and 1,091.14 km (678 miles) by car and ferry, following the Bar Harbor, Maine - Yarmouth, Nova Scotia route.

Cornwall and Mount Denson are 16 hours 6 mins far apart, if you drive non-stop for 12 hours 36 mins and take a ferry for 3 hours 29 mins .

This is the fastest route from Cornwall, ON to Mount Denson, NS.

Please note the time difference between Cornwall, ON and Mount Denson, NS is 1 hour. The current time in Cornwall is 4:35 pm and the current time in Mount Denson is 5:35 pm.

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Lowest Price Rental Cars in Cornwall, ON

Planning on renting a car to go from Cornwall, ON to Mount Denson, NS? Here there are some offers to rent a car in Cornwall, ON

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 8.9 l/100 km will need 97.16 liters of gas to cover the route between Cornwall, ON and Mount Denson, NS.

The estimated cost of gas to go from Cornwall to Mount Denson is $146.72.

During the route, an average car will release 2,324.15 kilograms of CO₂ to the atmosphere. The carbon footprint would be 2.13 kilograms of CO₂ per kilometer.

Average Canada gas price used for calculation is $1.51 per liter of regular gas. Price last updated on March 3, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Cornwall, ON and Mount Denson, NS

If you want to meet halfway between Cornwall, ON and Mount Denson, NS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.800303 and -69.217955, or 44º 48' 1.0908" N, 69º 13' 4.638" W. This location is 339.18 miles away from Cornwall, ON and Mount Denson, NS and it would take approximately 8 hours 3 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Cornwall, ON and Mount Denson, NS in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	515.42 mi	829.48 km	447.88 nautical mi
Driving distance	678 mi	1,091.72 km	589.49 nautical mi

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