There are
1,962 mi
from Janesville, WI to Upland, CA
That's the driving distance. It would take 1 day 10 hours to go from Janesville, Wisconsin to Upland, California.
The flight distance (direct flight from Janesville, WI to Upland, CA) is 1,650.21 mi.
1,962 mi = 3,157.65 kms