There are
2,120 mi
from San Leandro, CA to Lombard, IL
That's the driving distance. It would take 1 day 12 hours to go from San Leandro, California to Lombard, Illinois.
The flight distance (direct flight from San Leandro, CA to Lombard, IL) is 1,822.94 mi.
2,120 mi = 3.22 kms