There are
1,760 mi
from Carmel, IN to Missoula, MT
That's the driving distance. It would take 1 day 6 hours to go from Carmel, Indiana to Missoula, Montana.
The flight distance (direct flight from Carmel, IN to Missoula, MT) is 1,469.60 mi.
1,760 mi = 1.61 kms