There are
712 mi
from Rialto, CA to Las Cruces, NM
That's the driving distance. It would take 12 hours 28 mins to go from Rialto, California to Las Cruces, New Mexico.
The flight distance (direct flight from Rialto, CA to Las Cruces, NM) is 625.08 mi.
712 mi = 1,145.24 kms