There are
1,638 mi
from Amarillo, TX to Troutdale, OR
That's the driving distance. It would take 1 day 4 hours to go from Amarillo, Texas to Troutdale, Oregon.
The flight distance (direct flight from Amarillo, TX to Troutdale, OR) is 1,289.71 mi.
1,638 mi = 1.61 kms