Miles between Missoula, MT and Longmont, CO

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

That's the driving distance. It would take 14 hours 21 mins to go from Missoula, Montana to Longmont, Colorado.

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

874 mi = 1,406.37 kms