There are
1,768 mi
from Antioch, CA to Leavenworth, KS
That's the driving distance. It would take 1 day 6 hours to go from Antioch, California to Leavenworth, Kansas.
The flight distance (direct flight from Antioch, CA to Leavenworth, KS) is 1,447.94 mi.
1,768 mi = 1.61 kms