Miles between Rialto, CA and St George, UT

There are
342 mi
from Rialto, CA to St George, UT

That's the driving distance. It would take 6 hours 13 mins to go from Rialto, California to St George, Utah.

The flight distance (direct flight from Rialto, CA to St George, UT) is 296.65 mi.

342 mi = 550.57 kms