There are
886 mi
from Baton Rouge, LA to New Lenox, IL
That's the driving distance. It would take 16 hours 9 mins to go from Baton Rouge, Louisiana to New Lenox, Illinois.
The flight distance (direct flight from Baton Rouge, LA to New Lenox, IL) is 783.93 mi.
886 mi = 1,426.63 kms