There are
3,050 mi
from Warwick, RI to Hercules, CA
That's the driving distance. It would take 2 days 6 hours to go from Warwick, Rhode Island to Hercules, California.
The flight distance (direct flight from Warwick, RI to Hercules, CA) is 2,670.89 mi.
3,050 mi = 4.83 kms