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

Distance from Cornwall, ON to Westmount, QC

Distance

116 km

Time

1 hour 32 mins

Gas Cost

$9 - $21

There are 102.31 km (63.57 miles) from Cornwall to Westmount in northeast direction and 115.87 km (72 miles) by car, following the 40 route.

Cornwall and Westmount are 1 hour 32 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, ON to Westmount, QC. The halfway point is Coteau-du-Lac, QC.

Cornwall, ON and Westmount, QC are in the same time zone (EDT). Current time in both locations is 8:51 pm.

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Lowest Price Rental Cars in Cornwall, ON

Planning on renting a car to go from Cornwall, ON to Westmount, QC? 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 10.32 liters of gas to cover the route between Cornwall, ON and Westmount, QC.

The estimated cost of gas to go from Cornwall to Westmount is $15.58.

During the route, an average car will release 246.87 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 4, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Cornwall, ON and Westmount, QC

If you want to meet halfway between Cornwall, ON and Westmount, QC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.294441 and -74.187309, or 45º 17' 39.9876" N, 74º 11' 14.3124" W. This location is 36.03 miles away from Cornwall, ON and Westmount, QC and it would take approximately 46 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Coteau-du-Lac, QC, situated 36 miles from Cornwall, ON and 35 miles from Westmount, QC. It would take 39 minutes to go from Cornwall to Coteau-du-Lac and 42 minutes to go from Westmount to Coteau-du-Lac.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Cornwall, ON and Westmount, QC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	63.57 mi	102.31 km	55.24 nautical mi
Driving distance	72 mi	115.96 km	62.62 nautical mi

Road Trip Tips