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