There are
1,765 mi
from Rialto, CA to Southaven, MS
That's the driving distance. It would take 1 day 6 hours to go from Rialto, California to Southaven, Mississippi.
The flight distance (direct flight from Rialto, CA to Southaven, MS) is 1,553.22 mi.
1,765 mi = 1.61 kms