There are
383 mi
from St Clair Shores, MI to Rantoul, IL
That's the driving distance. It would take 7 hours 6 mins to go from St Clair Shores, Michigan to Rantoul, Illinois.
The flight distance (direct flight from St Clair Shores, MI to Rantoul, IL) is 311.74 mi.
383 mi = 616.12 kms