Miles between Boulder, CO and Winchester, KY

There are
1,219 mi
from Boulder, CO to Winchester, KY

That's the driving distance. It would take 21 hours 50 mins to go from Boulder, Colorado to Winchester, Kentucky.

The flight distance (direct flight from Boulder, CO to Winchester, KY) is 1,138.38 mi.

1,219 mi = 1.61 kms