There are
1,387 mi
from Amarillo, TX to San Anselmo, CA
That's the driving distance. It would take 1 day to go from Amarillo, Texas to San Anselmo, California.
The flight distance (direct flight from Amarillo, TX to San Anselmo, CA) is 1,163.07 mi.
1,387 mi = 1.61 kms