There are
2,093 mi
from Janesville, WI to Concord, CA
That's the driving distance. It would take 1 day 11 hours to go from Janesville, Wisconsin to Concord, California.
The flight distance (direct flight from Janesville, WI to Concord, CA) is 1,757.33 mi.
2,093 mi = 3,367.69 kms