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

Distance from Cornwall, ON to Smiths Falls, ON

Distance

137 km

Time

1 hour 57 mins

Gas Cost

$10 - $25

There are 102.43 km (63.65 miles) from Cornwall to Smiths Falls in west direction and 136.79 km (85 miles) by car, following the 401 route.

Cornwall and Smiths Falls are 1 hour 57 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, ON to Smiths Falls, ON. The halfway point is Cardinal, ON.

Cornwall, ON and Smiths Falls, ON are in the same time zone (EDT). Current time in both locations is 1:09 pm.

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Lowest Price Rental Cars in Cornwall, ON

Planning on renting a car to go from Cornwall, ON to Smiths Falls, ON? 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 12.17 liters of gas to cover the route between Cornwall, ON and Smiths Falls, ON.

The estimated cost of gas to go from Cornwall to Smiths Falls is $18.38.

During the route, an average car will release 291.19 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 Smiths Falls, ON

If you want to meet halfway between Cornwall, ON and Smiths Falls, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.814648 and -75.399002, or 44º 48' 52.7328" N, 75º 23' 56.4072" W. This location is 42.50 miles away from Cornwall, ON and Smiths Falls, ON and it would take approximately 58 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cardinal, ON, situated 44 miles from Cornwall, ON and 46 miles from Smiths Falls, ON. It would take 48 minutes to go from Cornwall to Cardinal and 1 hour 11 mins to go from Smiths Falls to Cardinal.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Cornwall, ON and Smiths Falls, ON in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	63.65 mi	102.43 km	55.31 nautical mi
Driving distance	85 mi	136.78 km	73.86 nautical mi

Road Trip Tips