Miles between Boulder, CO and Caledonia, WI

There are
1,056 mi
from Boulder, CO to Caledonia, WI

That's the driving distance. It would take 18 hours 50 mins to go from Boulder, Colorado to Caledonia, Wisconsin.

The flight distance (direct flight from Boulder, CO to Caledonia, WI) is 917.60 mi.

1,056 mi = 1.61 kms