About 8 hours and 51 minutes
That’s the typical drive time from Detroit to Montreal. The route covers roughly 901 km (560 miles) through some of the most interesting parts of the Great Lakes and St. Lawrence River Valley.
The Detroit–Montreal route follows a historic corridor
Detroit sits in the heart of the Great Lakes, while Montreal anchors the St. Lawrence River Valley in Quebec. This path traces a route used since the 17th century for fur trade. Now, it links the industrial Midwest to Canada’s largest French-speaking city. You’ll climb from Michigan’s flat plains into southern Quebec’s rolling hills, passing through a mix of industrial zones and cultural landscapes.
Here’s the breakdown of the trip
| Segment | Distance (km) | Time (2026 avg) | Key Waypoints |
|---|---|---|---|
| Detroit → Windsor | 3.5 | 15 min | Detroit-Windsor Tunnel or Ambassador Bridge |
| Windsor → London | 185 | 2h 10m | Highway 401 East |
| London → Toronto | 195 | 2h 25m | Highway 401 East |
| Toronto → Montreal | 517 | 5h 30m | Highway 401 → Highway 20 → A-20 |
This corridor has been important for centuries
The Detroit–Montreal link dates back to French colonial times. La Salle first charted the Detroit River in 1679. By the 1820s, stagecoaches ran the 1,000-km route. Today, the same path carries six million vehicles yearly—including countless truck trailers in the automotive and aerospace supply chains. Montreal’s spot at the head of deep-water navigation on the St. Lawrence made it the gateway for grain and timber exports from the Great Lakes. That role continues at the Port of Montreal, one of eastern Canada’s busiest.
Weather can really mess with your timing. Winter snow squalls off Lake Huron sometimes add two extra hours. Summer construction between Toronto and Kingston often squeezes the highway down to two lanes in each direction.
You need proper ID to cross the border
Passengers 16 and older need a valid passport, passport card, or enhanced driver’s license. Kids under 16 can use a birth certificate plus photo ID. Canada Border Services Agency suggests getting to Windsor at least 60 minutes early.
Tolls apply on Highway 407 ETR
Ontario’s Highway 407 ETR charges distance-based tolls. You’ll need a transponder or to pre-pay online. Check 407 ETR for details.
Refuel where it’s fastest
The quickest stops are at Woodstock (km 195) and Brockville (km 660). Both have 24-hour stations.
Ontario’s highways have good rest areas
Ontario’s 100-series highways feature eight service centres. They offer EV charging, free Wi-Fi, and even trucker lounges.
Rental cars can cross into Canada
Major rental agencies usually allow Canadian crossings, but get it in writing. You’ll also need a non-resident insurance card. Government of Canada travel advisory updates entry rules every quarter.
The route has been a major trade path since the 1600s
French explorers first used this corridor in the 17th century. The Detroit River was mapped in 1679 by La Salle. By the 1820s, stagecoaches made the 1,000-km trek regularly. Now, it handles six million vehicles annually—plus thousands of trucks in automotive and aerospace supply chains.
Weather can be a real headache. Winter snow squalls off Lake Huron sometimes tack on two hours. Summer construction between Toronto and Kingston often reduces the highway to two lanes each way.
Bring the right ID for the border
If you’re 16 or older, pack a passport, passport card, or enhanced driver’s license. Kids under 16 need a birth certificate and photo ID. Canada Border Services Agency recommends arriving at Windsor with a 60-minute buffer.
Tolls on Highway 407 ETR aren’t optional
Ontario’s Highway 407 ETR charges tolls based on distance. You’ll need a transponder or to pay online ahead of time. See 407 ETR for specifics.
Fill up at Woodstock or Brockville
Those are the fastest refueling spots. Both have stations open 24 hours.
Ontario’s highways have solid rest stops
There are eight service centres on Ontario’s 100-series highways. They come with EV charging, free Wi-Fi, and trucker lounges.
Check your rental car’s Canadian policy
Most major agencies allow cross-border trips, but confirm in writing. You’ll also need a non-resident insurance card. Government of Canada travel advisory updates entry requirements every three months.
