There are
2,121 mi
from Simi Valley, CA to Jeffersontown, KY
That's the driving distance. It would take 1 day 13 hours to go from Simi Valley, California to Jeffersontown, Kentucky.
The flight distance (direct flight from Simi Valley, CA to Jeffersontown, KY) is 1,860.92 mi.
2,121 mi = 3.22 kms