Miles between Missoula, MT and St Helens, OR

There are
577 mi
from Missoula, MT to St Helens, OR

That's the driving distance. It would take 10 hours 53 mins to go from Missoula, Montana to St Helens, Oregon.

The flight distance (direct flight from Missoula, MT to St Helens, OR) is 424.90 mi.

577 mi = 928.81 kms