There are
940 mi
from Baton Rouge, LA to Deerfield, IL
That's the driving distance. It would take 17 hours 9 mins to go from Baton Rouge, Louisiana to Deerfield, Illinois.
The flight distance (direct flight from Baton Rouge, LA to Deerfield, IL) is 829.63 mi.
940 mi = 1,512.23 kms