There are
2,713 mi
from Gaithersburg, MD to Oroville, CA
That's the driving distance. It would take 1 day 23 hours to go from Gaithersburg, Maryland to Oroville, California.
The flight distance (direct flight from Gaithersburg, MD to Oroville, CA) is 2,346.10 mi.
2,713 mi = 4,366.19 kms