There are
2,138 mi
from San Leandro, CA to Riverdale, IL
That's the driving distance. It would take 1 day 12 hours to go from San Leandro, California to Riverdale, Illinois.
The flight distance (direct flight from San Leandro, CA to Riverdale, IL) is 1,843.05 mi.
2,138 mi = 3.22 kms