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

The distance between St. Clair, ON, and King, ON, is 338 km by road.

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

The drive from St. Clair, ON, to King, ON, takes approximately 4 h 15 min by car.

The fastest route from St. Clair, ON, to King, ON, covers 338 km with a driving time of approximately 4 h 15 min.

King, ON lies roughly to the north-east of St. Clair, ON.

The drive from St. Clair, ON to King, ON mainly follows 402, 401, 400. The longest single stretch is 147 km on 401.

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

Distance: 338 kmDuration: 4 h 15 min

Driving from St. Clair, ON to King, ON takes about 4 h 15 min via 401. The distance is 338 km. The straight-line distance is 263 km. Driving directions

Driving directions18 · 338 km

The return trip from King, ON to St. Clair, ON covers roughly the same distance, 338 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 7, 2026.

How far is it from St. Clair, ON, {fromState} to King, ON, {toState}?: The distance between St. Clair, ON, {fromState} and King, ON, {toState} is 338 km by road.
How long does it take to drive from St. Clair, ON, {fromState} to King, ON, {toState}?: The drive from St. Clair, ON, {fromState} to King, ON, {toState} takes approximately 4 h 15 min by car.
What is the best route from St. Clair, ON, {fromState} to King, ON, {toState}?: The fastest route from St. Clair, ON, {fromState} to King, ON, {toState} covers 338 km with a driving time of approximately 4 h 15 min.
Which direction is King, ON from St. Clair, ON?: King, ON lies roughly to the north-east of St. Clair, ON.
Which roads does the route from St. Clair, ON to King, ON follow?: The drive from St. Clair, ON to King, ON mainly follows 402, 401, 400. The longest single stretch is 147 km on 401.
Which towns do you pass between St. Clair, ON and King, ON?: Towns on the route from St. Clair, ON to King, ON include Strathroy-Caradoc, London, Kitchener, Mississauga, Vaughan.