Miles between Olathe, KS and Duncan, OK

There are
409 mi
from Olathe, KS to Duncan, OK

That's the driving distance. It would take 7 hours 12 mins to go from Olathe, Kansas to Duncan, Oklahoma.

The flight distance (direct flight from Olathe, KS to Duncan, OK) is 348.92 mi.

409 mi = 657.48 kms