There are
241 mi
from St Clair Shores, MI to Youngstown, OH
That's the driving distance. It would take 4 hours 37 mins to go from St Clair Shores, Michigan to Youngstown, Ohio.
The flight distance (direct flight from St Clair Shores, MI to Youngstown, OH) is 150.32 mi.
241 mi = 388.27 kms