Miles between Boulder, CO and Greendale, WI

There are
1,051 mi
from Boulder, CO to Greendale, WI

That's the driving distance. It would take 18 hours 36 mins to go from Boulder, Colorado to Greendale, Wisconsin.

The flight distance (direct flight from Boulder, CO to Greendale, WI) is 915.04 mi.

1,051 mi = 1.61 kms