- Piedmont (S.C.)1
- Pigeon Forge, Savier County, Tennessee, United States3
- Pinewood, Sumter County, South Carolina, United States1
- Pittsburgh (Pa.)1
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- Portsmouth (Va.)1
- Potsdam, Germany1
- Prosperity, Newberry County, South Carolina, United States6
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- Richland County (S.C.)929
- Richland County (SC)3
- Richland Street, Columbia, S.C.4
- Roanoke (Va.)1
- Rock Hill, York County, South Carolina, United States77
- Rome (Italy)1
- Rome, Italy3
- Rowesville, Orangeburg County, South Carolina, United States2
- Roweville, Orangeburg County, South Carolina, United States1
- Royal Greenwich Observatory, London, England, United Kingdom3