Place
- Pettaquamscutt River (R.I.)1
- Piscataqua River (N.H. and Me.)1
- Plymoth (Mass.)1
- Plymouth Bay (Mass.)1
- Point Lobos State Reserve (Calif.)1
- Pont Rouge, Canada1
- Port Alberni, Canada1
- Port Colborne, Canada1
- Prince George, Canada1
- Quesnel, Canada1
- Repentigny, Canada1
- Richmond Hill, Canada1
- Sacramento County (Calif.)1
- Saint-Côme--Linière, Canada1
- Saint-Jean-sur-Richelieu, Canada1
- Saint-Laurent, Canada1
- Saint-Léonard, Canada1
- Sakonnet River (R.I.)1
- Santa Barbara Channel (Calif.)1
- Searsville Lake (Calif.)1