There are
3,100 mi
from Cranston, RI to San Mateo, CA
That's the driving distance. It would take 2 days 7 hours to go from Cranston, Rhode Island to San Mateo, California.
The flight distance (direct flight from Cranston, RI to San Mateo, CA) is 2,682.51 mi.
3,100 mi = 4.83 kms