There are
2,726 mi
from Gaithersburg, MD to Dixon, CA
That's the driving distance. It would take 1 day 23 hours to go from Gaithersburg, Maryland to Dixon, California.
The flight distance (direct flight from Gaithersburg, MD to Dixon, CA) is 2,378.71 mi.
2,726 mi = 4,387.75 kms