There are
1,665 mi
from Amarillo, TX to Tualatin, OR
That's the driving distance. It would take 1 day 5 hours to go from Amarillo, Texas to Tualatin, Oregon.
The flight distance (direct flight from Amarillo, TX to Tualatin, OR) is 1,301.48 mi.
1,665 mi = 1.61 kms