There are
2,810 mi
from Gaithersburg, MD to Soledad, CA
That's the driving distance. It would take 2 days 2 hours to go from Gaithersburg, Maryland to Soledad, California.
The flight distance (direct flight from Gaithersburg, MD to Soledad, CA) is 2,393.08 mi.
2,810 mi = 4,521.73 kms