There are
2,668 mi
from Pasadena, CA to Hyattsville, MD
That's the driving distance. It would take 1 day 22 hours to go from Pasadena, California to Hyattsville, Maryland.
The flight distance (direct flight from Pasadena, CA to Hyattsville, MD) is 2,291.12 mi.
2,668 mi = 4,293.28 kms