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

The distance between Sarnia, ON, and St. Clair, ON, is 28 km by road.

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

The drive from Sarnia, ON, to St. Clair, ON, takes approximately 30 min by car.

The fastest route from Sarnia, ON, to St. Clair, ON, covers 28 km with a driving time of approximately 30 min.

St. Clair, ON lies roughly to the south of Sarnia, ON.

Distance: 28 kmDuration: 30 min

Driving from Sarnia, ON to St. Clair, ON takes about 30 min via 31. The distance is 28 km. The straight-line distance is 25 km. Driving directions

Driving directions9 · 28 km

The return trip from St. Clair, ON to Sarnia, ON covers roughly the same distance, 28 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 1, 2026.

How far is it from Sarnia, ON, {fromState} to St. Clair, ON, {toState}?: The distance between Sarnia, ON, {fromState} and St. Clair, ON, {toState} is 28 km by road.
How long does it take to drive from Sarnia, ON, {fromState} to St. Clair, ON, {toState}?: The drive from Sarnia, ON, {fromState} to St. Clair, ON, {toState} takes approximately 30 min by car.
What is the best route from Sarnia, ON, {fromState} to St. Clair, ON, {toState}?: The fastest route from Sarnia, ON, {fromState} to St. Clair, ON, {toState} covers 28 km with a driving time of approximately 30 min.
Which direction is St. Clair, ON from Sarnia, ON?: St. Clair, ON lies roughly to the south of Sarnia, ON.