There are
2,141 mi
from San Leandro, CA to Bourbonnais, IL
That's the driving distance. It would take 1 day 12 hours to go from San Leandro, California to Bourbonnais, Illinois.
The flight distance (direct flight from San Leandro, CA to Bourbonnais, IL) is 1,832.27 mi.
2,141 mi = 3.22 kms