There are
2,176 mi
from Missoula, MT to Westwego, LA
That's the driving distance. It would take 1 day 14 hours to go from Missoula, Montana to Westwego, Louisiana.
The flight distance (direct flight from Missoula, MT to Westwego, LA) is 1,732.03 mi.
2,176 mi = 3.22 kms