There are
1,728 mi
from Provo, UT to Picayune, MS
That's the driving distance. It would take 1 day 8 hours to go from Provo, Utah to Picayune, Mississippi.
The flight distance (direct flight from Provo, UT to Picayune, MS) is 1,402.67 mi.
1,728 mi = 1.61 kms