Place
- Oakville, Canada1
- Oshawa, Canada1
- Outlook, Canada1
- Pajaro River Valley (Calif.)1
- Pasadena, Canada1
- Passamaquoddy Bay (N.B. and Me.)1
- Pawtuxet River (R.I.)1
- Pemberton, Canada1
- 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