There are
1,753 mi
from St Clair Shores, MI to Rexburg, ID
That's the driving distance. It would take 1 day 7 hours to go from St Clair Shores, Michigan to Rexburg, Idaho.
The flight distance (direct flight from St Clair Shores, MI to Rexburg, ID) is 1,451.78 mi.
1,753 mi = 2,820.90 kms