There are
2,128 mi
from San Leandro, CA to Watertown, WI
That's the driving distance. It would take 1 day 13 hours to go from San Leandro, California to Watertown, Wisconsin.
The flight distance (direct flight from San Leandro, CA to Watertown, WI) is 1,784.92 mi.
2,128 mi = 3.22 kms