There are
1,725 mi
from Amarillo, TX to Shoreline, WA
That's the driving distance. It would take 1 day 6 hours to go from Amarillo, Texas to Shoreline, Washington.
The flight distance (direct flight from Amarillo, TX to Shoreline, WA) is 1,362.54 mi.
1,725 mi = 1.61 kms