There are
2,639 mi
from Redondo Beach, CA to Rockville, MD
That's the driving distance. It would take 1 day 23 hours to go from Redondo Beach, California to Rockville, Maryland.
The flight distance (direct flight from Redondo Beach, CA to Rockville, MD) is 2,299.70 mi.
2,639 mi = 4,247.37 kms