There are
2,975 mi
from Simi Valley, CA to Warwick, RI
That's the driving distance. It would take 2 days 5 hours to go from Simi Valley, California to Warwick, Rhode Island.
The flight distance (direct flight from Simi Valley, CA to Warwick, RI) is 2,596.50 mi.
2,975 mi = 3.22 kms