There are
2,127 mi
from San Leandro, CA to Addison, IL
That's the driving distance. It would take 1 day 12 hours to go from San Leandro, California to Addison, Illinois.
The flight distance (direct flight from San Leandro, CA to Addison, IL) is 1,823.76 mi.
2,127 mi = 3.22 kms