There are
2,151 mi
from Downey, CA to Campbellsville, KY
That's the driving distance. It would take 1 day 13 hours to go from Downey, California to Campbellsville, Kentucky.
The flight distance (direct flight from Downey, CA to Campbellsville, KY) is 1,846.87 mi.
2,151 mi = 3.22 kms