There are
1,660 mi
from Amarillo, TX to Lake Oswego, OR
That's the driving distance. It would take 1 day 5 hours to go from Amarillo, Texas to Lake Oswego, Oregon.
The flight distance (direct flight from Amarillo, TX to Lake Oswego, OR) is 1,298.49 mi.
1,660 mi = 1.61 kms