There are
2,618 mi
from Gaithersburg, MD to Cerritos, CA
That's the driving distance. It would take 1 day 22 hours to go from Gaithersburg, Maryland to Cerritos, California.
The flight distance (direct flight from Gaithersburg, MD to Cerritos, CA) is 2,279.32 mi.
2,618 mi = 4,213.56 kms