There are
2,134 mi
from Janesville, WI to Ukiah, CA
That's the driving distance. It would take 1 day 13 hours to go from Janesville, Wisconsin to Ukiah, California.
The flight distance (direct flight from Janesville, WI to Ukiah, CA) is 1,789.30 mi.
2,134 mi = 3,433.82 kms