There are
2,466 mi
from Roswell, GA to Pittsburg, CA
That's the driving distance. It would take 1 day 19 hours to go from Roswell, Georgia to Pittsburg, California.
The flight distance (direct flight from Roswell, GA to Pittsburg, CA) is 2,100.67 mi.
2,466 mi = 3,968.02 kms