Distance between cities › Canada › New Brunswick › Clair, NB › Distance from Clair to Smiths Falls Book Hotels

Distance from Clair, NB to Smiths Falls, ON

Distance

768 km

Time

10 hours 14 mins

Gas Cost

$58 - $139

There are 628.54 km (390.56 miles) from Clair to Smiths Falls in southwest direction and 767.66 km (477 miles) by car, following the 20 route.

Clair and Smiths Falls are 10 hours 14 mins far apart, if you drive non-stop .

This is the fastest route from Clair, NB to Smiths Falls, ON. The halfway point is Daveluyville, QC.

Please note the time difference between Clair, NB and Smiths Falls, ON is 1 hour. The current time in Clair is 8:33 pm and the current time in Smiths Falls is 7:33 pm.

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Lowest Price Rental Cars in Clair, NB

Planning on renting a car to go from Clair, NB to Smiths Falls, ON? Here there are some offers to rent a car in Clair, NB

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Clair »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 68.35 liters of gas to cover the route between Clair, NB and Smiths Falls, ON.

The estimated cost of gas to go from Clair to Smiths Falls is $103.21.

During the route, an average car will release 1,634.99 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 10, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Clair, NB and Smiths Falls, ON

If you want to meet halfway between Clair, NB 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 46.067646 and -72.278572, or 46º 4' 3.5256" N, 72º 16' 42.8592" W. This location is 238.61 miles away from Clair, NB and Smiths Falls, ON and it would take approximately 5 hours 7 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Daveluyville, QC, situated 239 miles from Clair, NB and 257 miles from Smiths Falls, ON. It would take 4 hours 47 mins to go from Clair to Daveluyville and 4 hours 29 mins to go from Smiths Falls to Daveluyville.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	390.56 mi	628.54 km	339.38 nautical mi
Driving distance	477 mi	768.01 km	414.69 nautical mi

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