There are
1,642 mi
from Amarillo, TX to Gresham, OR
That's the driving distance. It would take 1 day 4 hours to go from Amarillo, Texas to Gresham, Oregon.
The flight distance (direct flight from Amarillo, TX to Gresham, OR) is 1,290.38 mi.
1,642 mi = 1.61 kms