There are
725 mi
from Olathe, KS to Sylvania, OH
That's the driving distance. It would take 13 hours 53 mins to go from Olathe, Kansas to Sylvania, Ohio.
The flight distance (direct flight from Olathe, KS to Sylvania, OH) is 616.66 mi.
725 mi = 1,167.37 kms