There are
2,395 mi
from Hayward, CA to Campbellsville, KY
That's the driving distance. It would take 1 day 17 hours to go from Hayward, California to Campbellsville, Kentucky.
The flight distance (direct flight from Hayward, CA to Campbellsville, KY) is 2,000.72 mi.
2,395 mi = 3.22 kms