Miles between Boulder, CO and North Royalton, OH

There are
1,343 mi
from Boulder, CO to North Royalton, OH

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

The flight distance (direct flight from Boulder, CO to North Royalton, OH) is 1,233.53 mi.

1,343 mi = 1.61 kms