There are
1,040 mi
from Amarillo, TX to Glen Ellyn, IL
That's the driving distance. It would take 18 hours 36 mins to go from Amarillo, Texas to Glen Ellyn, Illinois.
The flight distance (direct flight from Amarillo, TX to Glen Ellyn, IL) is 872.80 mi.
1,040 mi = 1.61 kms