There are
1,227 mi
from Baton Rouge, LA to Watertown, SD
That's the driving distance. It would take 22 hours 26 mins to go from Baton Rouge, Louisiana to Watertown, South Dakota.
The flight distance (direct flight from Baton Rouge, LA to Watertown, SD) is 1,049.14 mi.
1,227 mi = 1,973.97 kms