There are
2,940 mi
from Warwick, RI to Monrovia, CA
That's the driving distance. It would take 2 days 4 hours to go from Warwick, Rhode Island to Monrovia, California.
The flight distance (direct flight from Warwick, RI to Monrovia, CA) is 2,560.18 mi.
2,940 mi = 3.22 kms