No, there is no direct passenger train service from Desbiens to Longueuil.

How long is the drive?

The drive takes about 6 hours depending on traffic.

Yes, intercity bus services connect Saguenay to Montreal.

Yes, Route 175 is a modern, divided highway.

What is the best time to go?

Summer and early autumn offer the best weather.

Longueuil

Driving

Desbiens to Longueuil

Updated: 30 May 2026

The journey from Desbiens to Longueuil covers about 480 km, taking you from the Saguenay region to the South Shore of Montreal. You will travel via Route 175 and then connect to the highway network around Montreal. The drive typically takes 5.5 to 6.5 hours. This route is a major connection between the northern regions and the Montreal metropolitan area. Expect heavy traffic as you cross the bridges into the South Shore.

Total Distance: Driving distance is 480 km; straight-line air distance is 330 km.

Fastest Way

Driving via Route 175 and the highway network is the fastest route.

Cheapest Way

Driving your own vehicle is the most practical and cost-effective way.

Compare Desbiens to Longueuil Routes

Driving

Direct

Duration

6 hours

Avg Price

100-120 CAD in fuel

Operator

Personal Vehicle

Route

Route 175 South to Highway 20 or 10.

Plan your arrival to avoid peak bridge traffic.

Travel Tips

Traffic
Avoid crossing the bridges into Montreal during rush hour.
Fuel
Fill up before entering the busy Montreal highway network.
Road Conditions
Check the Quebec 511 website for traffic updates on the bridges.
Parking
Check for parking availability in downtown Longueuil.
Navigation
Use a GPS to navigate the complex highway interchanges.