There are
2,636 mi
from Rialto, CA to College Park, MD
That's the driving distance. It would take 1 day 22 hours to go from Rialto, California to College Park, Maryland.
The flight distance (direct flight from Rialto, CA to College Park, MD) is 2,250.85 mi.
2,636 mi = 4,241.50 kms