There are
1,362 mi
from Amarillo, TX to Hillsborough, CA
That's the driving distance. It would take 1 day to go from Amarillo, Texas to Hillsborough, California.
The flight distance (direct flight from Amarillo, TX to Hillsborough, CA) is 1,151.90 mi.
1,362 mi = 2,192.68 kms