There are
2,180 mi
from San Leandro, CA to Herrin, IL
That's the driving distance. It would take 1 day 13 hours to go from San Leandro, California to Herrin, Illinois.
The flight distance (direct flight from San Leandro, CA to Herrin, IL) is 1,799.88 mi.
2,180 mi = 3.22 kms