Miles between Louisville, KY and Boulder, CO

There are
1,127 mi
from Louisville, KY to Boulder, CO

That's the driving distance. It would take 20 hours 8 mins to go from Louisville, Kentucky to Boulder, Colorado.

The flight distance (direct flight from Louisville, KY to Boulder, CO) is 1,050.68 mi.

1,127 mi = 1.61 kms