Miles between Longmont, CO and Missoula, MT

There are
874 mi
from Longmont, CO to Missoula, MT

That's the driving distance. It would take 14 hours 23 mins to go from Longmont, Colorado to Missoula, Montana.

The flight distance (direct flight from Longmont, CO to Missoula, MT) is 642.28 mi.

874 mi = 1,407.24 kms