There are
2,100 mi
from Irvine, CA to Jeffersontown, KY
That's the driving distance. It would take 1 day 13 hours to go from Irvine, California to Jeffersontown, Kentucky.
The flight distance (direct flight from Irvine, CA to Jeffersontown, KY) is 1,820.32 mi.
2,100 mi = 3.22 kms