There are
1,032 mi
from New Haven, IN to Opelousas, LA
That's the driving distance. It would take 18 hours 58 mins to go from New Haven, Indiana to Opelousas, Louisiana.
The flight distance (direct flight from New Haven, IN to Opelousas, LA) is 828.06 mi.
1,032 mi = 1,660.97 kms