Miles between San Mateo, CA and Rockville, MD

There are
2,814 mi
from San Mateo, CA to Rockville, MD

That's the driving distance. It would take 2 days 1 hour to go from San Mateo, California to Rockville, Maryland.

The flight distance (direct flight from San Mateo, CA to Rockville, MD) is 2,425.42 mi.

2,814 mi = 3.22 kms