There are
563 mi
from Rowlett, TX to Leavenworth, KS
That's the driving distance. It would take 9 hours 46 mins to go from Rowlett, Texas to Leavenworth, Kansas.
The flight distance (direct flight from Rowlett, TX to Leavenworth, KS) is 452.12 mi.
563 mi = 906.40 kms