Miles between Boulder, CO and Leavenworth, KS

There are
621 mi
from Boulder, CO to Leavenworth, KS

That's the driving distance. It would take 10 hours 42 mins to go from Boulder, Colorado to Leavenworth, Kansas.

The flight distance (direct flight from Boulder, CO to Leavenworth, KS) is 552.25 mi.

621 mi = 998.64 kms