There are
1,807 mi
from Missoula, MT to Sylvania, OH
That's the driving distance. It would take 1 day 7 hours to go from Missoula, Montana to Sylvania, Ohio.
The flight distance (direct flight from Missoula, MT to Sylvania, OH) is 1,530.16 mi.
1,807 mi = 1.61 kms