There are
818 mi
from Olathe, KS to Warrensville Heights, OH
That's the driving distance. It would take 15 hours 26 mins to go from Olathe, Kansas to Warrensville Heights, Ohio.
The flight distance (direct flight from Olathe, KS to Warrensville Heights, OH) is 723.15 mi.
818 mi = 1,316.52 kms