There are
493 mi
from Olathe, KS to Seagoville, TX
That's the driving distance. It would take 9 hours 28 mins to go from Olathe, Kansas to Seagoville, Texas.
The flight distance (direct flight from Olathe, KS to Seagoville, TX) is 441.88 mi.
493 mi = 792.65 kms