There are
2,762 mi
from Gaithersburg, MD to Lathrop, CA
That's the driving distance. It would take 2 days to go from Gaithersburg, Maryland to Lathrop, California.
The flight distance (direct flight from Gaithersburg, MD to Lathrop, CA) is 2,361.93 mi.
2,762 mi = 4,445.21 kms