There are
3,097 mi
from Redwood City, CA to Warwick, RI
That's the driving distance. It would take 2 days 7 hours to go from Redwood City, California to Warwick, Rhode Island.
The flight distance (direct flight from Redwood City, CA to Warwick, RI) is 2,682.15 mi.
3,097 mi = 4,983.90 kms