There are
3,077 mi
from San Leandro, CA to Warwick, RI
That's the driving distance. It would take 2 days 6 hours to go from San Leandro, California to Warwick, Rhode Island.
The flight distance (direct flight from San Leandro, CA to Warwick, RI) is 2,671.78 mi.
3,077 mi = 4.83 kms