There are
1,383 mi
from Amarillo, TX to Suisun City, CA
That's the driving distance. It would take 1 day to go from Amarillo, Texas to Suisun City, California.
The flight distance (direct flight from Amarillo, TX to Suisun City, CA) is 1,135.93 mi.
1,383 mi = 2,224.93 kms