There are
1,344 mi
from Amarillo, TX to Sunnyvale, CA
That's the driving distance. It would take 23 hours 56 mins to go from Amarillo, Texas to Sunnyvale, California.
The flight distance (direct flight from Amarillo, TX to Sunnyvale, CA) is 1,132.69 mi.
1,344 mi = 1.61 kms