There are
1,572 mi
from San Bernardino, CA to Leavenworth, KS
That's the driving distance. It would take 1 day 3 hours to go from San Bernardino, California to Leavenworth, Kansas.
The flight distance (direct flight from San Bernardino, CA to Leavenworth, KS) is 1,286.22 mi.
1,572 mi = 1.61 kms