Miles between Boulder, CO and Grand Forks, ND

There are
955 mi
from Boulder, CO to Grand Forks, ND

That's the driving distance. It would take 16 hours 53 mins to go from Boulder, Colorado to Grand Forks, North Dakota.

The flight distance (direct flight from Boulder, CO to Grand Forks, ND) is 682.19 mi.

955 mi = 1,537.48 kms