Miles between Boulder, CO and Middletown, OH

There are
1,212 mi
from Boulder, CO to Middletown, OH

That's the driving distance. It would take 22 hours 1 min to go from Boulder, Colorado to Middletown, Ohio.

The flight distance (direct flight from Boulder, CO to Middletown, OH) is 1,106.56 mi.

1,212 mi = 1.61 kms