There are
1,631 mi
from Rialto, CA to Sulphur, LA
That's the driving distance. It would take 1 day 3 hours to go from Rialto, California to Sulphur, Louisiana.
The flight distance (direct flight from Rialto, CA to Sulphur, LA) is 1,424.98 mi.
1,631 mi = 1.61 kms