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

Distance from Clair, NB to Cornwall, ON

Distance

641 km

Time

8 hours 31 mins

Gas Cost

$48 - $116

There are 533 km (331.19 miles) from Clair to Cornwall in southwest direction and 642.13 km (399 miles) by car, following the 20 route.

Clair and Cornwall are 8 hours 31 mins far apart, if you drive non-stop .

This is the fastest route from Clair, NB to Cornwall, ON. The halfway point is Laurier-Station, QC.

Please note the time difference between Clair, NB and Cornwall, ON is 1 hour. The current time in Clair is 1:59 am and the current time in Cornwall is 12:59 am.

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Lowest Price Rental Cars in Clair, NB

Planning on renting a car to go from Clair, NB to Cornwall, 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 57.09 liters of gas to cover the route between Clair, NB and Cornwall, ON.

The estimated cost of gas to go from Clair to Cornwall is $86.21.

During the route, an average car will release 1,365.67 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 Clair, NB and Cornwall, ON

If you want to meet halfway between Clair, NB and Cornwall, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.511448 and -71.660294, or 46º 30' 41.2128" N, 71º 39' 37.0584" W. This location is 199.30 miles away from Clair, NB and Cornwall, ON and it would take approximately 4 hours 15 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Laurier-Station, QC, situated 201 miles from Clair, NB and 205 miles from Cornwall, ON. It would take 4 hours 9 mins to go from Clair to Laurier-Station and 3 hours 27 mins to go from Cornwall to Laurier-Station.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	331.19 mi	533 km	287.80 nautical mi
Driving distance	399 mi	641.50 km	346.38 nautical mi

Road Trip Tips