There are
2,632 mi
from Rialto, CA to Hyattsville, MD
That's the driving distance. It would take 1 day 22 hours to go from Rialto, California to Hyattsville, Maryland.
The flight distance (direct flight from Rialto, CA to Hyattsville, MD) is 2,250.61 mi.
2,632 mi = 4,235.01 kms