Miles between Boulder, CO and Boise, ID

There are
809 mi
from Boulder, CO to Boise, ID

That's the driving distance. It would take 13 hours 37 mins to go from Boulder, Colorado to Boise, Idaho.

The flight distance (direct flight from Boulder, CO to Boise, ID) is 616.43 mi.

809 mi = 1,301.42 kms