Miles between Boulder, CO and Kalispell, MT

There are
993 mi
from Boulder, CO to Kalispell, MT

That's the driving distance. It would take 16 hours 55 mins to go from Boulder, Colorado to Kalispell, Montana.

The flight distance (direct flight from Boulder, CO to Kalispell, MT) is 720.88 mi.

993 mi = 1,598.04 kms