There are
1,579 mi
from Upland, CA to Leavenworth, KS
That's the driving distance. It would take 1 day 3 hours to go from Upland, California to Leavenworth, Kansas.
The flight distance (direct flight from Upland, CA to Leavenworth, KS) is 1,305.41 mi.
1,579 mi = 1.61 kms