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

Distance from Preston, ON to L'Assomption, QC

Distance

661 km

Time

8 hours 9 mins

Gas Cost

$50 - $120

There are 611.78 km (380.14 miles) from Preston to L'Assomption in northeast direction and 661.44 km (411 miles) by car, following the 401 route.

Preston and L'Assomption are 8 hours 9 mins far apart, if you drive non-stop .

This is the fastest route from Preston, ON to L'Assomption, QC.

Preston, ON and L'Assomption, QC are in the same time zone (EDT). Current time in both locations is 4:43 am.

Any questions or tips to share?

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

Lowest Price Rental Cars in Preston, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Preston »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 58.84 liters of gas to cover the route between Preston, ON and L'Assomption, QC.

The estimated cost of gas to go from Preston to L'Assomption is $88.85.

During the route, an average car will release 1,407.52 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 Preston, ON and L'Assomption, QC

If you want to meet halfway between Preston, 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 44.284769 and -76.666065, or 44º 17' 5.1684" N, 76º 39' 57.834" W. This location is 205.41 miles away from Preston, ON and L'Assomption, QC and it would take approximately 4 hours 4 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Odessa, ON, situated 199 miles from Preston, ON and 213 miles from L'Assomption, QC. It would take 3 hours 54 mins to go from Preston to Odessa and 4 hours 17 mins to go from L'Assomption to Odessa.

Major City Closest to Halfway Point

The major city closest to the halfway point between Preston, ON and L'Assomption, QC is Kingston, ON, situated 212 miles from Preston, ON and 204 miles from L'Assomption, QC. It would take 4 hours 12 mins to go from Preston to Kingston and 4 hours 8 mins to go from L'Assomption to Kingston.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	380.14 mi	611.78 km	330.33 nautical mi
Driving distance	411 mi	661.16 km	357 nautical mi

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