Is there a train to Longueuil?

There is no direct intercity train from Alma, though commuter trains serve the Montreal area.

How long is the drive?

The drive typically takes 5 hours and 15 minutes.

No, there are no toll roads on this specific route.

Bus travel requires multiple transfers and is not recommended over driving.

Yes, the highways are well-maintained and safe for travel.

Alma

Longueuil

Driving

Alma to Longueuil

Updated: 30 May 2026

The journey from Alma to Longueuil spans approximately 480 kilometers. You will travel south on Route 175, then merge onto Highway 20 East toward the South Shore of Montreal. This route is heavily traveled and connects the Saguenay region to the Greater Montreal area. Driving is the most practical mode of transport, taking roughly 5 hours and 15 minutes. Public transit is not a viable direct option for this distance, though you can access the Montreal Metro once you reach the city.

Total Distance: 480 km driving distance; 390 km straight-line air distance.

Fastest Way

Driving via Route 175 and Highway 20 takes about 5 hours and 15 minutes.

Cheapest Way

Driving your own vehicle is the most economical way to reach Longueuil.

Compare Alma to Longueuil Routes

Driving

Direct

Duration

5 hours 15 mins

Avg Price

85-110 CAD in fuel

Operator

Personal Vehicle

Route

Route 175 South to Highway 20 West.

Use the Louis-Hippolyte-La Fontaine Bridge-Tunnel with caution as it often has construction.

Travel Tips

Bridge Traffic
Check traffic reports for the bridges connecting to the South Shore, as they are major bottlenecks.
Route 175
Be prepared for mountain driving conditions on the stretch between Saguenay and Quebec City.
Navigation
Use a GPS with real-time traffic updates to navigate around potential accidents on Highway 20.
Rest Stops
Stop in Drummondville for a mid-way break and a meal.
Winter Driving
Ensure your vehicle is equipped with winter tires, as snow removal on highways can be delayed.

Safety Tips

Highway Vigilance
Stay alert for sudden braking on Highway 20 due to heavy traffic volume.
Weather Monitoring
Check weather forecasts for the Laurentides region, as conditions can differ from the Montreal area.
Emergency Preparedness
Keep a charged phone and a portable power bank in your vehicle.
Speeding
Be aware of speed cameras in construction zones along the highway.