Miles between Boulder, CO and Flint, MI

There are
1,274 mi
from Boulder, CO to Flint, MI

That's the driving distance. It would take 22 hours 37 mins to go from Boulder, Colorado to Flint, Michigan.

The flight distance (direct flight from Boulder, CO to Flint, MI) is 1,132.41 mi.

1,274 mi = 1.61 kms