There are
2,947 mi
from Warwick, RI to Placentia, CA
That's the driving distance. It would take 2 days 4 hours to go from Warwick, Rhode Island to Placentia, California.
The flight distance (direct flight from Warwick, RI to Placentia, CA) is 2,561.62 mi.
2,947 mi = 3.22 kms