There are
2,995 mi
from Warwick, RI to Oroville, CA
That's the driving distance. It would take 2 days 5 hours to go from Warwick, Rhode Island to Oroville, California.
The flight distance (direct flight from Warwick, RI to Oroville, CA) is 2,596.95 mi.
2,995 mi = 3.22 kms