There are
1,562 mi
from Amarillo, TX to Pullman, WA
That's the driving distance. It would take 1 day 3 hours to go from Amarillo, Texas to Pullman, Washington.
The flight distance (direct flight from Amarillo, TX to Pullman, WA) is 1,124.60 mi.
1,562 mi = 1.61 kms