Distance between cities › Canada › Quebec › L'Assomption, QC › Distance from L'Assomption to Williamstown Book Hotels

Distance from L'Assomption, QC to Williamstown, ON

Distance

135 km

Time

1 hour 49 mins

Gas Cost

$10 - $25

There are 118.51 km (73.64 miles) from L'Assomption to Williamstown in southwest direction and 135.18 km (84 miles) by car, following the 40 route.

L'Assomption and Williamstown are 1 hour 49 mins far apart, if you drive non-stop .

This is the fastest route from L'Assomption, QC to Williamstown, ON. The halfway point is Senneville, QC.

L'Assomption, QC and Williamstown, ON are in the same time zone (EDT). Current time in both locations is 9:15 pm.

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Lowest Price Rental Cars in L'Assomption, QC

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in L'Assomption »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 12.06 liters of gas to cover the route between L'Assomption, QC and Williamstown, ON.

The estimated cost of gas to go from L'Assomption to Williamstown is $18.20.

During the route, an average car will release 288.39 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 L'Assomption, QC and Williamstown, ON

If you want to meet halfway between L'Assomption, QC and Williamstown, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.421268 and -73.928833, or 45º 25' 16.5648" N, 73º 55' 43.7988" W. This location is 42.09 miles away from L'Assomption, QC and Williamstown, ON and it would take approximately 54 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Senneville, QC, situated 44 miles from L'Assomption, QC and 39 miles from Williamstown, ON. It would take 49 minutes to go from L'Assomption to Senneville and 45 minutes to go from Williamstown to Senneville.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	73.64 mi	118.51 km	63.99 nautical mi
Driving distance	84 mi	135.46 km	73.14 nautical mi

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