There are
2,040 mi
from Pittsburg, CA to Greenville, MS
That's the driving distance. It would take 1 day 12 hours to go from Pittsburg, California to Greenville, Mississippi.
The flight distance (direct flight from Pittsburg, CA to Greenville, MS) is 1,749.96 mi.
2,040 mi = 3,282.80 kms