There are
2,756 mi
from Gaithersburg, MD to Kerman, CA
That's the driving distance. It would take 2 days 1 hour to go from Gaithersburg, Maryland to Kerman, California.
The flight distance (direct flight from Gaithersburg, MD to Kerman, CA) is 2,319.89 mi.
2,756 mi = 4,434.57 kms