Miles between Oceanside, CA and Gaithersburg, MD

There are
2,628 mi
from Oceanside, CA to Gaithersburg, MD

That's the driving distance. It would take 1 day 23 hours to go from Oceanside, California to Gaithersburg, Maryland.

The flight distance (direct flight from Oceanside, CA to Gaithersburg, MD) is 2,259.54 mi.

2,628 mi = 4,230.12 kms