There are
2,979 mi
from La Mesa, CA to Warwick, RI
That's the driving distance. It would take 2 days 5 hours to go from La Mesa, California to Warwick, Rhode Island.
The flight distance (direct flight from La Mesa, CA to Warwick, RI) is 2,552.34 mi.
2,979 mi = 4,794.26 kms