There are
1,045 mi
from Amarillo, TX to San Jacinto, CA
That's the driving distance. It would take 18 hours 1 min to go from Amarillo, Texas to San Jacinto, California.
The flight distance (direct flight from Amarillo, TX to San Jacinto, CA) is 866.24 mi.
1,045 mi = 1.61 kms