The journey from Lacolle to Brockville covers approximately 215 kilometers primarily using Highway 401 West. You will cross from Quebec into Ontario, passing through the outskirts of Montreal and Cornwall. Driving is the most practical method, typically taking two and a half hours depending on border traffic. The route follows the St. Lawrence River, offering scenic views of the Thousand Islands region. Expect to pay tolls on the A-15 before merging onto the 401.
Total Distance: 215 km driving distance; 190 km straight-line air distance.
Avoid peak rush hour in Montreal to save 45 minutes of travel time.
September to October for fall foliage along the St. Lawrence River.