There are
1,785 mi
from Missoula, MT to Celina, OH
That's the driving distance. It would take 1 day 7 hours to go from Missoula, Montana to Celina, Ohio.
The flight distance (direct flight from Missoula, MT to Celina, OH) is 1,524.07 mi.
1,785 mi = 1.61 kms