There are
2,278 mi
from Vacaville, CA to Jeffersontown, KY
That's the driving distance. It would take 1 day 15 hours to go from Vacaville, California to Jeffersontown, Kentucky.
The flight distance (direct flight from Vacaville, CA to Jeffersontown, KY) is 1,962.63 mi.
2,278 mi = 3.22 kms