Miles between Boulder, CO and Appleton, WI

There are
1,074 mi
from Boulder, CO to Appleton, WI

That's the driving distance. It would take 19 hours 37 mins to go from Boulder, Colorado to Appleton, Wisconsin.

The flight distance (direct flight from Boulder, CO to Appleton, WI) is 910.10 mi.

1,074 mi = 1.61 kms