There are
2,410 mi
from Chattanooga, TN to Pittsburg, CA
That's the driving distance. It would take 1 day 18 hours to go from Chattanooga, Tennessee to Pittsburg, California.
The flight distance (direct flight from Chattanooga, TN to Pittsburg, CA) is 2,027.83 mi.
2,410 mi = 3.22 kms