There are
849 mi
from Amarillo, TX to Evanston, WY
That's the driving distance. It would take 15 hours 10 mins to go from Amarillo, Texas to Evanston, Wyoming.
The flight distance (direct flight from Amarillo, TX to Evanston, WY) is 647.48 mi.
849 mi = 1,365.59 kms