There are
2,306 mi
from Napa, CA to Jeffersontown, KY
That's the driving distance. It would take 1 day 16 hours to go from Napa, California to Jeffersontown, Kentucky.
The flight distance (direct flight from Napa, CA to Jeffersontown, KY) is 1,979.86 mi.
2,306 mi = 3.22 kms