Miles between Boulder, CO and Marietta, OH

There are
1,403 mi
from Boulder, CO to Marietta, OH

That's the driving distance. It would take 1 day 1 hour to go from Boulder, Colorado to Marietta, Ohio.

The flight distance (direct flight from Boulder, CO to Marietta, OH) is 1,262.71 mi.

1,403 mi = 1.61 kms