Place
- North East Slope Stone Mountain1
- North of Stephensville, Coeymans1
- Oceania1
- Oklahoma1
- On Graves Mountain, about 4 miles southwest of Lincolnton1
- Ontonagon1
- Parry Sound1
- Patuxent Research Refuge, west shore of Cash Lake, Plot 43841
- Pine Hills1
- Pocahontas1
- Poplar Bluff1
- Porcupine Mountains, Lake Superior shore1
- Portage1
- Presque Isle1
- Presque Isle Lighthouse, on point near1
- Quebec1
- Rapides1
- Reese's Bog, vicinity of Burt & Douglas Lakes1
- Renfrew1
- Richfield Tp., North Woods County Park1