There are
1,836 mi
from Olathe, KS to Cornelius, OR
That's the driving distance. It would take 1 day 7 hours to go from Olathe, Kansas to Cornelius, Oregon.
The flight distance (direct flight from Olathe, KS to Cornelius, OR) is 1,507.46 mi.
1,836 mi = 1.61 kms