There are
1,775 mi
from Concord, CA to Leavenworth, KS
That's the driving distance. It would take 1 day 6 hours to go from Concord, California to Leavenworth, Kansas.
The flight distance (direct flight from Concord, CA to Leavenworth, KS) is 1,460.31 mi.
1,775 mi = 2,856.80 kms