There are
731 mi
from Olathe, KS to Deer Park, TX
That's the driving distance. It would take 13 hours 40 mins to go from Olathe, Kansas to Deer Park, Texas.
The flight distance (direct flight from Olathe, KS to Deer Park, TX) is 634.25 mi.
731 mi = 1,176.67 kms