There are
370 mi
from Decatur, IL to Campbellsville, KY
That's the driving distance. It would take 6 hours 53 mins to go from Decatur, Illinois to Campbellsville, Kentucky.
The flight distance (direct flight from Decatur, IL to Campbellsville, KY) is 260.40 mi.
370 mi = 596.13 kms