Roswell, Fulton County, Georgia
Rough and Ready, Nevada County, California
Round Mountain, Shasta County, California
Round Valley, Inyo County, California
Rowland Heights, Los Angeles County, California
Rowlett, Dallas County, Texas
Roy, Pierce County, Washington
Royal Oak, Oakland County, Michigan
Royal Palm Beach, Palm Beach County, Florida
Rubidoux, Riverside County, California
Running Springs, San Bernardino County, California
Ruskin, Hillsborough County, Florida
Russellton, Allegheny County, Pennsylvania
Ruston, Pierce County, Washington
Ruth, Trinity County, California
Rutherford, Napa County, California
Rye, Westchester County, New York
Rye Brook, Westchester County, New York
Sachse, Dallas County, Texas
Sacramento, Sacramento County, California
Sag Harbor, Suffolk County, New York
Sagaponack, Suffolk County, New York
Saginaw, Tarrant County, Texas
Sahuarita, Pima County, Arizona