There are
2,237 mi
from Pittsburg, CA to Picayune, MS
That's the driving distance. It would take 1 day 15 hours to go from Pittsburg, California to Picayune, Mississippi.
The flight distance (direct flight from Pittsburg, CA to Picayune, MS) is 1,899.81 mi.
2,237 mi = 3,600.01 kms