Miles between Longmont, CO and Montrose, CO

There are
321 mi
from Longmont, CO to Montrose, CO

That's the driving distance. It would take 6 hours 22 mins to go from Longmont, Colorado to Montrose, Colorado.

The flight distance (direct flight from Longmont, CO to Montrose, CO) is 188.66 mi.

321 mi = 517.15 kms