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

The distance between Cavan Monaghan, ON, and St. Clair, ON, is 409 km by road.

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

The drive from Cavan Monaghan, ON, to St. Clair, ON, takes approximately 5 h 10 min by car.

The fastest route from Cavan Monaghan, ON, to St. Clair, ON, covers 409 km with a driving time of approximately 5 h 10 min.

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

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

Towns on the route from Cavan Monaghan, ON to St. Clair, ON include Oshawa, Toronto, Mississauga, London, Strathroy-Caradoc.

Distance: 409 kmDuration: 5 h 10 min

Driving from Cavan Monaghan, ON to St. Clair, ON takes about 5 h 10 min via 401. The distance is 409 km. The straight-line distance is 351 km. EV charging is available along the route, including in Toronto, ON. Driving directions

Driving directions17 · 409 km

The return trip from St. Clair, ON to Cavan Monaghan, ON covers roughly the same distance, 409 km.

No notable attractions were found along this route.

Popular destinations close by

Distance and drive time are computed from OpenStreetMap road data with the OSRM routing engine. Updated October 2, 2026.

How far is it from Cavan Monaghan, ON, {fromState} to St. Clair, ON, {toState}?: The distance between Cavan Monaghan, ON, {fromState} and St. Clair, ON, {toState} is 409 km by road.
How long does it take to drive from Cavan Monaghan, ON, {fromState} to St. Clair, ON, {toState}?: The drive from Cavan Monaghan, ON, {fromState} to St. Clair, ON, {toState} takes approximately 5 h 10 min by car.
What is the best route from Cavan Monaghan, ON, {fromState} to St. Clair, ON, {toState}?: The fastest route from Cavan Monaghan, ON, {fromState} to St. Clair, ON, {toState} covers 409 km with a driving time of approximately 5 h 10 min.
Which direction is St. Clair, ON from Cavan Monaghan, ON?: St. Clair, ON lies roughly to the south-west of Cavan Monaghan, ON.
Which roads does the route from Cavan Monaghan, ON to St. Clair, ON follow?: The drive from Cavan Monaghan, 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 Cavan Monaghan, ON and St. Clair, ON?: Towns on the route from Cavan Monaghan, ON to St. Clair, ON include Oshawa, Toronto, Mississauga, London, Strathroy-Caradoc.