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

Distance from L'Assomption, QC to Saint Stephen, NB

Distance

657 km

Time

9 hours 37 mins

Gas Cost

$50 - $119

There are 483.63 km (300.51 miles) from L'Assomption to Saint Stephen in east direction and 656.61 km (408 miles) by car, following the I-395 and ME 9 and ME 15 route.

L'Assomption and Saint Stephen are 9 hours 37 mins far apart, if you drive non-stop .

This is the fastest route from L'Assomption, QC to Saint Stephen, NB.

L'Assomption, QC and Saint Stephen, NB are in the same time zone (EDT). Current time in both locations is 8:01 am.

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Lowest Price Rental Cars in L'Assomption, QC

Planning on renting a car to go from L'Assomption, QC to Saint Stephen, NB? 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 58.50 liters of gas to cover the route between L'Assomption, QC and Saint Stephen, NB.

The estimated cost of gas to go from L'Assomption to Saint Stephen is $88.34.

During the route, an average car will release 1,399.43 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 Saint Stephen, NB

If you want to meet halfway between L'Assomption, QC and Saint Stephen, NB or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.202796 and -70.46477, or 45º 12' 10.0656" N, 70º 27' 53.172" W. This location is 204.23 miles away from L'Assomption, QC and Saint Stephen, NB and it would take approximately 4 hours 48 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between L'Assomption, QC and Saint Stephen, NB in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	300.51 mi	483.63 km	261.14 nautical mi
Driving distance	408 mi	657.36 km	354.95 nautical mi

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