Miles between Boulder, CO and Bismarck, ND

There are
704 mi
from Boulder, CO to Bismarck, ND

That's the driving distance. It would take 12 hours 53 mins to go from Boulder, Colorado to Bismarck, North Dakota.

The flight distance (direct flight from Boulder, CO to Bismarck, ND) is 520.38 mi.

704 mi = 1,132.96 kms