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

Distance from Clair, NB to Marston, QC

Distance

450 km

Time

6 hours 27 mins

Gas Cost

$34 - $82

There are 260.81 km (162.06 miles) from Clair to Marston in southwest direction and 450.62 km (280 miles) by car, following the 20 route.

Clair and Marston are 6 hours 27 mins far apart, if you drive non-stop .

This is the fastest route from Clair, NB to Marston, QC. The halfway point is Montmagny, QC.

Please note the time difference between Clair, NB and Marston, QC is 1 hour. The current time in Clair is 12:11 am (Mar 5) and the current time in Marston is 11:11 pm (Mar 4).

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Lowest Price Rental Cars in Clair, NB

Planning on renting a car to go from Clair, NB to Marston, QC? 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 40.07 liters of gas to cover the route between Clair, NB and Marston, QC.

The estimated cost of gas to go from Clair to Marston is $60.51.

During the route, an average car will release 958.57 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 Clair, NB and Marston, QC

If you want to meet halfway between Clair, NB and Marston, QC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.955887 and -70.627342, or 46º 57' 21.1932" N, 70º 37' 38.4312" W. This location is 139.89 miles away from Clair, NB and Marston, QC and it would take approximately 3 hours 13 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Montmagny, QC, situated 140 miles from Clair, NB and 151 miles from Marston, QC. It would take 3 hours 9 mins to go from Clair to Montmagny and 3 hours to go from Marston to Montmagny.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Clair, NB and Marston, QC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	162.06 mi	260.81 km	140.83 nautical mi
Driving distance	280 mi	450.27 km	243.13 nautical mi

Road Trip Tips