Cities in State of California, United States ( 828 )
- Rocklin
- Rodeo, California
- Rohnert Park
- Rolling Hills Estates
- Rollingwood, California
- Rosamond, California
- Rosedale, California
- Roseland, California
- Rosemead
- Rosemont, California
- Roseville, California
- Rossmoor, California
- Rowland Heights
- Rubidoux
- Running Springs
- Sacramento
- Saint Helena, California
- Salida, California
- Salinas, California
- Salton City
- San Andreas, California
- San Anselmo
- San Antonio Heights
- San Bernardino
- San Bruno
- San Carlos, California
- San Clemente
- San Diego
- San Diego Country Estates
- San Dimas, California
- San Fernando, California
- San Francisco
- San Gabriel, California
- San Jacinto, California
- San Joaquin, California
- San Joaquin Hills