There are
2,124 mi
from San Leandro, CA to Frankfort, IL
That's the driving distance. It would take 1 day 12 hours to go from San Leandro, California to Frankfort, Illinois.
The flight distance (direct flight from San Leandro, CA to Frankfort, IL) is 1,832.45 mi.
2,124 mi = 3.22 kms