There are
2,636 mi
from Gaithersburg, MD to Redondo Beach, CA
That's the driving distance. It would take 1 day 23 hours to go from Gaithersburg, Maryland to Redondo Beach, California.
The flight distance (direct flight from Gaithersburg, MD to Redondo Beach, CA) is 2,296.82 mi.
2,636 mi = 4,241.43 kms