There are
2,667 mi
from Rosemead, CA to Hyattsville, MD
That's the driving distance. It would take 1 day 22 hours to go from Rosemead, California to Hyattsville, Maryland.
The flight distance (direct flight from Rosemead, CA to Hyattsville, MD) is 2,288.89 mi.
2,667 mi = 4,292.05 kms