There are
1,633 mi
from Amarillo, TX to Wilmington, DE
That's the driving distance. It would take 1 day 6 hours to go from Amarillo, Texas to Wilmington, Delaware.
The flight distance (direct flight from Amarillo, TX to Wilmington, DE) is 1,468.96 mi.
1,633 mi = 2,627.42 kms