There are
499 mi
from Plano, TX to Leavenworth, KS
That's the driving distance. It would take 9 hours 33 mins to go from Plano, Texas to Leavenworth, Kansas.
The flight distance (direct flight from Plano, TX to Leavenworth, KS) is 445.81 mi.
499 mi = 803.22 kms