There are
2,579 mi
from Gaithersburg, MD to Moreno Valley, CA
That's the driving distance. It would take 1 day 22 hours to go from Gaithersburg, Maryland to Moreno Valley, California.
The flight distance (direct flight from Gaithersburg, MD to Moreno Valley, CA) is 2,232.56 mi.
2,579 mi = 4,150.41 kms