There are
2,215 mi
from San Leandro, CA to Niles, MI
That's the driving distance. It would take 1 day 14 hours to go from San Leandro, California to Niles, Michigan.
The flight distance (direct flight from San Leandro, CA to Niles, MI) is 1,913.24 mi.
2,215 mi = 3.22 kms