Distance between cities › Canada › Ontario › Cornwall, ON › Distance from Cornwall to L'Islet Book Hotels

Distance from Cornwall, ON to L'Islet, QC

Distance

451 km

Time

5 hours 40 mins

Gas Cost

$34 - $82

There are 409.54 km (254.48 miles) from Cornwall to L'Islet in northeast direction and 450.62 km (280 miles) by car, following the 20 route.

Cornwall and L'Islet are 5 hours 40 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, ON to L'Islet, QC. The halfway point is Drummondville, QC.

Cornwall, ON and L'Islet, QC are in the same time zone (EDT). Current time in both locations is 10:10 am.

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Lowest Price Rental Cars in Cornwall, ON

Planning on renting a car to go from Cornwall, ON to L'Islet, 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 40.15 liters of gas to cover the route between Cornwall, ON and L'Islet, QC.

The estimated cost of gas to go from Cornwall to L'Islet is $60.63.

During the route, an average car will release 960.40 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 L'Islet, QC

If you want to meet halfway between Cornwall, ON and L'Islet, QC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.911083 and -72.502670, or 45º 54' 39.8988" N, 72º 30' 9.612" W. This location is 140.16 miles away from Cornwall, ON and L'Islet, QC and it would take approximately 2 hours 50 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Drummondville, QC, situated 136 miles from Cornwall, ON and 140 miles from L'Islet, QC. It would take 2 hours 29 mins to go from Cornwall to Drummondville and 2 hours 22 mins to go from L'Islet to Drummondville.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	254.48 mi	409.54 km	221.13 nautical mi
Driving distance	280 mi	451.13 km	243.59 nautical mi

Road Trip Tips