There are
738 mi
from Olathe, KS to Fremont, OH
That's the driving distance. It would take 14 hours 16 mins to go from Olathe, Kansas to Fremont, Ohio.
The flight distance (direct flight from Olathe, KS to Fremont, OH) is 640.60 mi.
738 mi = 1,188.48 kms