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

Distance from Thunder Bay, ON to L'Assomption, QC

Distance

1,601 km

Time

22 hours 59 mins

Gas Cost

$121 - $290

There are 1,228.73 km (763.50 miles) from Thunder Bay to L'Assomption in southeast direction and 1,601.30 km (995 miles) by car, following the 11 route.

Thunder Bay and L'Assomption are 22 hours 59 mins far apart, if you drive non-stop .

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

Thunder Bay, ON and L'Assomption, QC are in the same time zone (EDT). Current time in both locations is 5:20 pm.

Any questions or tips to share?

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

Lowest Price Rental Cars in Thunder Bay, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Thunder Bay »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 142.47 liters of gas to cover the route between Thunder Bay, ON and L'Assomption, QC.

The estimated cost of gas to go from Thunder Bay to L'Assomption is $215.12.

During the route, an average car will release 3,407.79 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 4, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Thunder Bay, ON and L'Assomption, QC

If you want to meet halfway between Thunder Bay, 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 42.246269 and -85.609428, or 42º 14' 46.5684" N, 85º 36' 33.9408" W. This location is 497.33 miles away from Thunder Bay, ON and L'Assomption, QC and it would take approximately 11 hours 29 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	763.50 mi	1,228.73 km	663.47 nautical mi
Driving distance	995 mi	1,600.74 km	864.33 nautical mi

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