There are
2,270 mi
from Antioch, CA to Picayune, MS
That's the driving distance. It would take 1 day 15 hours to go from Antioch, California to Picayune, Mississippi.
The flight distance (direct flight from Antioch, CA to Picayune, MS) is 1,895.36 mi.
2,270 mi = 3.22 kms