There are
3,101 mi
from San Mateo, CA to Cranston, RI
That's the driving distance. It would take 2 days 7 hours to go from San Mateo, California to Cranston, Rhode Island.
The flight distance (direct flight from San Mateo, CA to Cranston, RI) is 2,682.51 mi.
3,101 mi = 4.83 kms