There are
2,381 mi
from Rialto, CA to Alpena, MI
That's the driving distance. It would take 1 day 18 hours to go from Rialto, California to Alpena, Michigan.
The flight distance (direct flight from Rialto, CA to Alpena, MI) is 1,941.36 mi.
2,381 mi = 3.22 kms