There are
3,061 mi
from Warwick, RI to Pittsburg, CA
That's the driving distance. It would take 2 days 6 hours to go from Warwick, Rhode Island to Pittsburg, California.
The flight distance (direct flight from Warwick, RI to Pittsburg, CA) is 2,650.21 mi.
3,061 mi = 4.83 kms