There are
2,117 mi
from Janesville, WI to Pleasanton, CA
That's the driving distance. It would take 1 day 12 hours to go from Janesville, Wisconsin to Pleasanton, California.
The flight distance (direct flight from Janesville, WI to Pleasanton, CA) is 1,757.39 mi.
2,117 mi = 3,407.50 kms