There are
1,317 mi
from Amarillo, TX to Lathrop, CA
That's the driving distance. It would take 23 hours to go from Amarillo, Texas to Lathrop, California.
The flight distance (direct flight from Amarillo, TX to Lathrop, CA) is 1,092.53 mi.
1,317 mi = 2,119.18 kms