There are
1,346 mi
from Pittsburg, CA to Amarillo, TX
That's the driving distance. It would take 23 hours 41 mins to go from Pittsburg, California to Amarillo, Texas.
The flight distance (direct flight from Pittsburg, CA to Amarillo, TX) is 1,126.50 mi.
1,346 mi = 2,166.90 kms