There are
2,672 mi
from Gaithersburg, MD to Auburn, CA
That's the driving distance. It would take 1 day 22 hours to go from Gaithersburg, Maryland to Auburn, California.
The flight distance (direct flight from Gaithersburg, MD to Auburn, CA) is 2,331.75 mi.
2,672 mi = 4,299.80 kms