There are
530 mi
from Olathe, KS to Clarksville, IN
That's the driving distance. It would take 9 hours 59 mins to go from Olathe, Kansas to Clarksville, Indiana.
The flight distance (direct flight from Olathe, KS to Clarksville, IN) is 490.71 mi.
530 mi = 852.66 kms