There are
527 mi
from Overland Park, KS to Southlake, TX
That's the driving distance. It would take 9 hours 9 mins to go from Overland Park, Kansas to Southlake, Texas.
The flight distance (direct flight from Overland Park, KS to Southlake, TX) is 439.49 mi.
527 mi = 847.38 kms