How far is it from Markham, ON, to St. Clair, ON, ?

The distance between Markham, ON, and St. Clair, ON, is 327 km by road.

How long does it take to drive from Markham, ON, to St. Clair, ON, ?

The drive from Markham, ON, to St. Clair, ON, takes approximately 4 h 10 min by car.

What is the best route from Markham, ON, to St. Clair, ON, ?

The fastest route from Markham, ON, to St. Clair, ON, covers 327 km with a driving time of approximately 4 h 10 min.

Which direction is St. Clair, ON from Markham, ON?

St. Clair, ON lies roughly to the south-west of Markham, ON.

Which roads does the route from Markham, ON to St. Clair, ON follow?

The drive from Markham, ON to St. Clair, ON mainly follows 407 ETR, 401, 402. The longest single stretch is 145 km on 401.

Which towns do you pass between Markham, ON and St. Clair, ON?

Towns on the route from Markham, ON to St. Clair, ON include Toronto, Mississauga, Kitchener, London, Strathroy-Caradoc.

Markham, ON St. Clair, ON

Distance: 327 kmDuration: 4 h 10 min

Driving from Markham, ON to St. Clair, ON takes about 4 h 10 min via 401. The distance is 327 km. The straight-line distance is 278 km. EV charging is available along the route, including in Toronto, ON. Driving directions

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Driving directions14 · 327 km

1 Depart right onto Robinson Street 59 m
2 Continue slightly right onto Robinson Street 242 m
3 Turn right onto Main Street North 402 m
4 Continue straight onto Main Street Markham South 961 m
5 Take ramp slightly right 719 m
6 Merge slightly left onto 407 Express Toll Route 57 km
7 Take exit slightly right 3 km
8 Merge slightly right onto Highway 401 Collector 145 km

9 Keep slightly right onto Highway 402 87 km
10 Take exit slightly right 620 m
11 Turn left onto Mandaumin Road 21 km
12 Turn right onto Courtright Line 10 km
13 Turn left onto Kimball Road 4 km
14 Arrive left onto Kimball Road

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The return trip from St. Clair, ON to Markham, ON covers roughly the same distance, 327 km.

Driving directions from Markham, ON to St. Clair, ON
Top attractions along the route
Find hotels near St. Clair, ON
Rent a car near Markham, ON
Popular routes from destination
Questions and answers

Along the way

Top attractions along the route

No notable attractions were found along this route.

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Popular routes from destination

Popular destinations close by

St. Clair, ON → Plympton-Wyoming, ON49 km · 45 min St. Clair, ON → Chatham, ON56 km · 1 h 5 min St. Clair, ON → Lambton Shores, ON81 km · 1 h 20 min St. Clair, ON → Enniskillen, ON23 km · 25 min St. Clair, ON → Chris Hadfield Airport (YZR)27 km · 30 min St. Clair, ON → Point Edward, ON27 km · 35 min

Sources

Distance and drive time are computed from OpenStreetMap road data with the OSRM routing engine. Updated October 1, 2026.

Overview

Questions and answers

How far is it from Markham, ON, {fromState} to St. Clair, ON, {toState}?: The distance between Markham, ON, {fromState} and St. Clair, ON, {toState} is 327 km by road.
How long does it take to drive from Markham, ON, {fromState} to St. Clair, ON, {toState}?: The drive from Markham, ON, {fromState} to St. Clair, ON, {toState} takes approximately 4 h 10 min by car.
What is the best route from Markham, ON, {fromState} to St. Clair, ON, {toState}?: The fastest route from Markham, ON, {fromState} to St. Clair, ON, {toState} covers 327 km with a driving time of approximately 4 h 10 min.
Which direction is St. Clair, ON from Markham, ON?: St. Clair, ON lies roughly to the south-west of Markham, ON.
Which roads does the route from Markham, ON to St. Clair, ON follow?: The drive from Markham, ON to St. Clair, ON mainly follows 407 ETR, 401, 402. The longest single stretch is 145 km on 401.
Which towns do you pass between Markham, ON and St. Clair, ON?: Towns on the route from Markham, ON to St. Clair, ON include Toronto, Mississauga, Kitchener, London, Strathroy-Caradoc.

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