There are
2,729 mi
from Gaithersburg, MD to Reedley, CA
That's the driving distance. It would take 2 days to go from Gaithersburg, Maryland to Reedley, California.
The flight distance (direct flight from Gaithersburg, MD to Reedley, CA) is 2,290.28 mi.
2,729 mi = 4,391.08 kms