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

Distance from Cornwall, ON to Tremblay, QC

Distance

598 km

Time

7 hours 45 mins

Gas Cost

$45 - $108

There are 479.83 km (298.16 miles) from Cornwall to Tremblay in northeast direction and 597.07 km (371 miles) by car, following the 20 route.

Cornwall and Tremblay are 7 hours 45 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, ON to Tremblay, QC. The halfway point is Maddington, QC.

Cornwall, ON and Tremblay, QC are in the same time zone (EDT). Current time in both locations is 1:10 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Cornwall, ON to Tremblay, QC:

Lowest Price Rental Cars in Cornwall, ON

Planning on renting a car to go from Cornwall, ON to Tremblay, 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 53.20 liters of gas to cover the route between Cornwall, ON and Tremblay, QC.

The estimated cost of gas to go from Cornwall to Tremblay is $80.33.

During the route, an average car will release 1,272.48 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 Tremblay, QC

If you want to meet halfway between Cornwall, ON and Tremblay, QC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.243713 and -72.047195, or 46º 14' 37.3668" N, 72º 2' 49.902" W. This location is 185.70 miles away from Cornwall, ON and Tremblay, QC and it would take approximately 3 hours 52 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Maddington, QC, situated 164 miles from Cornwall, ON and 208 miles from Tremblay, QC. It would take 2 hours 58 mins to go from Cornwall to Maddington and 3 hours 53 mins to go from Tremblay to Maddington.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	298.16 mi	479.83 km	259.09 nautical mi
Driving distance	371 mi	597.72 km	322.75 nautical mi

Road Trip Tips