There are
2,734 mi
from Gaithersburg, MD to Chico, CA
That's the driving distance. It would take 2 days to go from Gaithersburg, Maryland to Chico, California.
The flight distance (direct flight from Gaithersburg, MD to Chico, CA) is 2,357.09 mi.
2,734 mi = 4,399.47 kms