There are
2,935 mi
from San Mateo, CA to Salisbury, MD
That's the driving distance. It would take 2 days 4 hours to go from San Mateo, California to Salisbury, Maryland.
The flight distance (direct flight from San Mateo, CA to Salisbury, MD) is 2,518.22 mi.
2,935 mi = 3.22 kms