Miles between Boulder, CO and Hilliard, OH

There are
1,274 mi
from Boulder, CO to Hilliard, OH

That's the driving distance. It would take 22 hours 58 mins to go from Boulder, Colorado to Hilliard, Ohio.

The flight distance (direct flight from Boulder, CO to Hilliard, OH) is 1,166.96 mi.

1,274 mi = 1.61 kms