There are
2,620 mi
from Gaithersburg, MD to Artesia, CA
That's the driving distance. It would take 1 day 22 hours to go from Gaithersburg, Maryland to Artesia, California.
The flight distance (direct flight from Gaithersburg, MD to Artesia, CA) is 2,280.10 mi.
2,620 mi = 4,216.04 kms