There are
2,168 mi
from San Leandro, CA to Greenfield, WI
That's the driving distance. It would take 1 day 13 hours to go from San Leandro, California to Greenfield, Wisconsin.
The flight distance (direct flight from San Leandro, CA to Greenfield, WI) is 1,821 mi.
2,168 mi = 3.22 kms