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

Distance from Cornwall, ON to Windsor, QC

Distance

281 km

Time

3 hours 36 mins

Gas Cost

$21 - $51

There are 222 km (137.94 miles) from Cornwall to Windsor in northeast direction and 280.03 km (174 miles) by car, following the 10 route.

Cornwall and Windsor are 3 hours 36 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, ON to Windsor, QC. The halfway point is Chambly, QC.

Cornwall, ON and Windsor, QC are in the same time zone (EDT). Current time in both locations is 1:14 am.

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Lowest Price Rental Cars in Cornwall, ON

Planning on renting a car to go from Cornwall, ON to Windsor, 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 24.99 liters of gas to cover the route between Cornwall, ON and Windsor, QC.

The estimated cost of gas to go from Cornwall to Windsor is $37.74.

During the route, an average car will release 597.77 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 Windsor, QC

If you want to meet halfway between Cornwall, ON and Windsor, QC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.409538 and -73.289764, or 45º 24' 34.3368" N, 73º 17' 23.1504" W. This location is 87.24 miles away from Cornwall, ON and Windsor, QC and it would take approximately 1 hour 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Chambly, QC, situated 87 miles from Cornwall, ON and 88 miles from Windsor, QC. It would take 1 hour 39 mins to go from Cornwall to Chambly and 1 hour 34 mins to go from Windsor to Chambly.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	137.94 mi	222 km	119.87 nautical mi
Driving distance	174 mi	280.79 km	151.62 nautical mi

Road Trip Tips