There are
2,664 mi
from Delano, CA to Gaithersburg, MD
That's the driving distance. It would take 1 day 23 hours to go from Delano, California to Gaithersburg, Maryland.
The flight distance (direct flight from Delano, CA to Gaithersburg, MD) is 2,297.28 mi.
2,664 mi = 4,287.30 kms