There are
1,032 mi
from Amarillo, TX to Rancho Cucamonga, CA
That's the driving distance. It would take 17 hours 41 mins to go from Amarillo, Texas to Rancho Cucamonga, California.
The flight distance (direct flight from Amarillo, TX to Rancho Cucamonga, CA) is 898.10 mi.
1,032 mi = 1,660.34 kms