There are
2,115 mi
from San Leandro, CA to Plainfield, IL
That's the driving distance. It would take 1 day 12 hours to go from San Leandro, California to Plainfield, Illinois.
The flight distance (direct flight from San Leandro, CA to Plainfield, IL) is 1,813.66 mi.
2,115 mi = 3.22 kms