Miles between Boulder, CO and Watertown, WI

There are
1,008 mi
from Boulder, CO to Watertown, WI

That's the driving distance. It would take 18 hours 16 mins to go from Boulder, Colorado to Watertown, Wisconsin.

The flight distance (direct flight from Boulder, CO to Watertown, WI) is 880.78 mi.

1,008 mi = 1.61 kms