There are
2,644 mi
from Deerfield Beach, FL to Rialto, CA
That's the driving distance. It would take 1 day 22 hours to go from Deerfield Beach, Florida to Rialto, California.
The flight distance (direct flight from Deerfield Beach, FL to Rialto, CA) is 2,276.11 mi.
2,644 mi = 3.22 kms