How long is the drive?

It is about 1 hour and 15 minutes from Châteauguay.

Yes, VIA Rail stops in Cornwall.

Is it easy to get around?

Yes, the city is well-connected by bus and road.

What is the best time to visit?

Summer and early autumn are ideal for outdoor activities.

Châteauguay

Cornwall

Driving

Châteauguay to Cornwall

Updated: 29 May 2026

The distance from Châteauguay to Cornwall is approximately 100 kilometers. The most direct route is driving via A-30 and ON-401, which takes about 1 hour and 15 minutes. This route connects the South Shore of Montreal to the city of Cornwall on the St. Lawrence River.

Total Distance: 100 km driving distance; 90 km straight-line air distance.

Fastest Way

Driving is the fastest, taking about 1 hour and 15 minutes.

Cheapest Way

Driving is the most economical for this short distance.

Compare Châteauguay to Cornwall Routes

Driving

Direct

Duration

1 hour 15 mins

Avg Price

$15 - $25 in fuel

Operator

Personal Vehicle

Route

A-30 W to ON-401 W.

The route is straightforward and well-marked.

Travel Tips

Traffic
The ON-401 can be busy; plan your travel accordingly.
Language
Cornwall is primarily English-speaking.
Public Transit
The Cornwall Transit bus system is efficient for getting around the city.
Parking
Downtown Cornwall has paid parking lots; check for free street parking in residential areas.
Weather
Winters are cold; ensure your vehicle is equipped for snow.

Safety Tips

Road Safety
The ON-401 can be busy; maintain a safe distance from other vehicles.
Winter Driving
Ontario law recommends winter tires from December to March.
Emergency
Dial 911 for any emergency services.
Pedestrian Safety
Be cautious of cyclists in the city.