There are
1,818 mi
from Olathe, KS to Lake Oswego, OR
That's the driving distance. It would take 1 day 7 hours to go from Olathe, Kansas to Lake Oswego, Oregon.
The flight distance (direct flight from Olathe, KS to Lake Oswego, OR) is 1,487.86 mi.
1,818 mi = 1.61 kms