There are
1,053 mi
from Amarillo, TX to Glendora, CA
That's the driving distance. It would take 18 hours 22 mins to go from Amarillo, Texas to Glendora, California.
The flight distance (direct flight from Amarillo, TX to Glendora, CA) is 913.12 mi.
1,053 mi = 1.61 kms