There are
708 mi
from Overland Park, KS to Leander, TX
That's the driving distance. It would take 12 hours 17 mins to go from Overland Park, Kansas to Leander, Texas.
The flight distance (direct flight from Overland Park, KS to Leander, TX) is 607.94 mi.
708 mi = 1,139.51 kms