There are
2,664 mi
from Gaithersburg, MD to Delano, CA
That's the driving distance. It would take 1 day 23 hours to go from Gaithersburg, Maryland to Delano, California.
The flight distance (direct flight from Gaithersburg, MD to Delano, CA) is 2,297.28 mi.
2,664 mi = 4,287.12 kms