Miles between Boulder, CO and Columbia, TN

There are
1,221 mi
from Boulder, CO to Columbia, TN

That's the driving distance. It would take 21 hours 48 mins to go from Boulder, Colorado to Columbia, Tennessee.

The flight distance (direct flight from Boulder, CO to Columbia, TN) is 1,038.58 mi.

1,221 mi = 1.61 kms