Miles between Thornton, CO and Lake Oswego, OR

There are
1,240 mi
from Thornton, CO to Lake Oswego, OR

That's the driving distance. It would take 21 hours 25 mins to go from Thornton, Colorado to Lake Oswego, Oregon.

The flight distance (direct flight from Thornton, CO to Lake Oswego, OR) is 975.25 mi.

1,240 mi = 1.61 kms