There are
2,627 mi
from Escondido, CA to Gaithersburg, MD
That's the driving distance. It would take 1 day 23 hours to go from Escondido, California to Gaithersburg, Maryland.
The flight distance (direct flight from Escondido, CA to Gaithersburg, MD) is 2,245.85 mi.
2,627 mi = 4,227.27 kms