Distance between cities › Canada › Ontario › Cobalt, ON › Distance from Cobalt to L'Assomption Book Hotels

Distance from Cobalt, ON to L'Assomption, QC

Distance

732 km

Time

9 hours 53 mins

Gas Cost

$55 - $133

There are 509.20 km (316.41 miles) from Cobalt to L'Assomption in southeast direction and 732.25 km (455 miles) by car, following the 17 route.

Cobalt and L'Assomption are 9 hours 53 mins far apart, if you drive non-stop .

This is the fastest route from Cobalt, ON to L'Assomption, QC. The halfway point is Kathmae Siding, ON.

Cobalt, ON and L'Assomption, QC are in the same time zone (EDT). Current time in both locations is 10:01 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Cobalt, ON to L'Assomption, QC:

Lowest Price Rental Cars in Cobalt, ON

Planning on renting a car to go from Cobalt, ON to L'Assomption, QC? Here there are some offers to rent a car in Cobalt, ON

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cobalt »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 65.17 liters of gas to cover the route between Cobalt, ON and L'Assomption, QC.

The estimated cost of gas to go from Cobalt to L'Assomption is $98.40.

During the route, an average car will release 1,558.79 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 Cobalt, ON and L'Assomption, QC

If you want to meet halfway between Cobalt, ON and L'Assomption, QC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.746525 and -77.005043, or 45º 44' 47.49" N, 77º 0' 18.1548" W. This location is 227.49 miles away from Cobalt, ON and L'Assomption, QC and it would take approximately 4 hours 56 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kathmae Siding, ON, situated 228 miles from Cobalt, ON and 222 miles from L'Assomption, QC. It would take 4 hours 15 mins to go from Cobalt to Kathmae Siding and 3 hours 51 mins to go from L'Assomption to Kathmae Siding.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Cobalt, ON and L'Assomption, QC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	316.41 mi	509.20 km	274.95 nautical mi
Driving distance	455 mi	732.21 km	395.36 nautical mi

Road Trip Tips