There are
2,793 mi
from Gaithersburg, MD to Livermore, CA
That's the driving distance. It would take 2 days to go from Gaithersburg, Maryland to Livermore, California.
The flight distance (direct flight from Gaithersburg, MD to Livermore, CA) is 2,390.41 mi.
2,793 mi = 4,494.45 kms