There are
1,575 mi
from Rancho Cucamonga, CA to Leavenworth, KS
That's the driving distance. It would take 1 day 3 hours to go from Rancho Cucamonga, California to Leavenworth, Kansas.
The flight distance (direct flight from Rancho Cucamonga, CA to Leavenworth, KS) is 1,302.27 mi.
1,575 mi = 1.61 kms