There are
1,816 mi
from Olathe, KS to Gladstone, OR
That's the driving distance. It would take 1 day 7 hours to go from Olathe, Kansas to Gladstone, Oregon.
The flight distance (direct flight from Olathe, KS to Gladstone, OR) is 1,483.84 mi.
1,816 mi = 1.61 kms