There are
2,574 mi
from Gaithersburg, MD to Yucaipa, CA
That's the driving distance. It would take 1 day 22 hours to go from Gaithersburg, Maryland to Yucaipa, California.
The flight distance (direct flight from Gaithersburg, MD to Yucaipa, CA) is 2,220.31 mi.
2,574 mi = 4,142.31 kms