There are
587 mi
from Missoula, MT to Mcminnville, OR
That's the driving distance. It would take 11 hours 7 mins to go from Missoula, Montana to Mcminnville, Oregon.
The flight distance (direct flight from Missoula, MT to Mcminnville, OR) is 454.51 mi.
587 mi = 944.09 kms