There are
1,790 mi
from Oakland, CA to Leavenworth, KS
That's the driving distance. It would take 1 day 6 hours to go from Oakland, California to Leavenworth, Kansas.
The flight distance (direct flight from Oakland, CA to Leavenworth, KS) is 1,475.66 mi.
1,790 mi = 1.61 kms