There are
2,051 mi
from Fontana, CA to Jeffersontown, KY
That's the driving distance. It would take 1 day 11 hours to go from Fontana, California to Jeffersontown, Kentucky.
The flight distance (direct flight from Fontana, CA to Jeffersontown, KY) is 1,791.69 mi.
2,051 mi = 3,301.45 kms