There are
1,778 mi
from Topeka, KS to Lake Oswego, OR
That's the driving distance. It would take 1 day 6 hours to go from Topeka, Kansas to Lake Oswego, Oregon.
The flight distance (direct flight from Topeka, KS to Lake Oswego, OR) is 1,440.69 mi.
1,778 mi = 1.61 kms