There are
722 mi
from Olathe, KS to Ironton, OH
That's the driving distance. It would take 13 hours 35 mins to go from Olathe, Kansas to Ironton, Ohio.
The flight distance (direct flight from Olathe, KS to Ironton, OH) is 654.28 mi.
722 mi = 1,161.36 kms