There are
2,101 mi
from Downey, CA to Jeffersontown, KY
That's the driving distance. It would take 1 day 13 hours to go from Downey, California to Jeffersontown, Kentucky.
The flight distance (direct flight from Downey, CA to Jeffersontown, KY) is 1,832.93 mi.
2,101 mi = 3.22 kms