There are
486 mi
from Mckinney, TX to Leavenworth, KS
That's the driving distance. It would take 9 hours 18 mins to go from Mckinney, Texas to Leavenworth, Kansas.
The flight distance (direct flight from Mckinney, TX to Leavenworth, KS) is 433.10 mi.
486 mi = 781.45 kms