There are
1,952 mi
from Missoula, MT to Massillon, OH
That's the driving distance. It would take 1 day 10 hours to go from Missoula, Montana to Massillon, Ohio.
The flight distance (direct flight from Missoula, MT to Massillon, OH) is 1,660.19 mi.
1,952 mi = 1.61 kms