There are
2,340 mi
from Hayward, CA to Jeffersontown, KY
That's the driving distance. It would take 1 day 16 hours to go from Hayward, California to Jeffersontown, Kentucky.
The flight distance (direct flight from Hayward, CA to Jeffersontown, KY) is 1,977.33 mi.
2,340 mi = 3.22 kms