There are
3,045 mi
from Warwick, RI to Oakley, CA
That's the driving distance. It would take 2 days 6 hours to go from Warwick, Rhode Island to Oakley, California.
The flight distance (direct flight from Warwick, RI to Oakley, CA) is 2,642.26 mi.
3,045 mi = 4.83 kms