There are
1,036 mi
from Rancho Cucamonga, CA to Amarillo, TX
That's the driving distance. It would take 18 hours 1 min to go from Rancho Cucamonga, California to Amarillo, Texas.
The flight distance (direct flight from Rancho Cucamonga, CA to Amarillo, TX) is 898.10 mi.
1,036 mi = 1.61 kms