There are
2,159 mi
from Missoula, MT to Thibodaux, LA
That's the driving distance. It would take 1 day 13 hours to go from Missoula, Montana to Thibodaux, Louisiana.
The flight distance (direct flight from Missoula, MT to Thibodaux, LA) is 1,711.39 mi.
2,159 mi = 3.22 kms