There are
2,143 mi
from San Leandro, CA to Northbrook, IL
That's the driving distance. It would take 1 day 12 hours to go from San Leandro, California to Northbrook, Illinois.
The flight distance (direct flight from San Leandro, CA to Northbrook, IL) is 1,831.46 mi.
2,143 mi = 3.22 kms