Driving
Cornwall to Longueuil
Updated: 27 May 2026
The journey from Cornwall to Longueuil covers about 120 kilometers. Driving is the most practical mode, taking you via Highway 401 East and Highway 20 East. The trip typically takes 1.5 hours. Longueuil is located on the South Shore of the St. Lawrence River, across from Montreal.
Total Distance: 120 km driving distance; 100 km straight-line air distance.
Fastest Way
Driving takes 1.5 hours, which is the most reliable travel time.
Cheapest Way
Driving is the most cost-effective way to reach Longueuil.
Compare Cornwall to Longueuil Routes
Driving
Direct
Duration
1 hour 30 mins
Avg Price
$20-$30 in fuel
Operator
Personal Vehicle
Route
Highway 401 to Highway 20 East.
Use the A-30 bypass to avoid Montreal traffic.
Travel Tips
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TrafficAvoid Montreal during rush hour.
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LanguageFrench is the primary language.
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ParkingParking is available in the city center.
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EventsCheck the city calendar for local events.
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DiningTry local restaurants in the Old Longueuil area.
Safety Tips
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Road SafetyStay alert on Highway 401.
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EmergencyKeep your phone charged.
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WinterEnsure your vehicle is winter-ready.
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PedestriansBe cautious in the downtown area.
People Also Ask
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Is it a long drive?It takes about 1.5 hours from Cornwall.
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Are there trains?There is no direct passenger rail service to Longueuil from Cornwall.
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What is the best route?Highway 401 to Highway 20 is the standard route.
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Is it safe?Yes, it is a safe and welcoming city.
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What is the city known for?It is known for its location across from Montreal.
Quick Info
- From Cornwall, Ontario, Canada
- To Longueuil, Quebec, Canada
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Modes
Best Time to Travel
Year-round for urban activities.
Things to Do in Longueuil
1
Old Longueuil
Explore the historic district.
2
St. Lawrence River
Enjoy the riverfront parks.
3
Downtown
Explore the local shops and restaurants.
4
Parks
Visit the local parks and trails.
Tags
Cornwall to Longueuil
driving to Longueuil
Highway 401 route
Quebec travel
Cornwall to Longueuil distance
Longueuil transit
road trip Ontario to Quebec
