There are
849 mi
from Amarillo, TX to Evanston, WY
That's the driving distance. It would take 15 hours 9 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