- Ottawa1
- Owen Sound1
- Ozark, near1
- Pennsylvania1
- Peterborough1
- Philip Smith Mountains Quadrangle, Mile 271 Dalton Highway, Mt. Hulten, mountain south of Atigun Canyon1
- Revelstoke1
- Rexton1
- Richmond Gulf, mainland south of Carin Island1
- Rock Harbor, Isle Royale1
- Rocky Mountain National Park and Vicinity1
- Rocky Mountain National Park and Vicinity, Longs Peak1
- Rocky Mountains and Vancouver Island1
- Rocky Mountains, Colin Range, Jasper National Park, Fifth Bridge on Maligne River1
- Saskatchewan1
- Shore of Lake Huron1
- Simcoe1
- Slopes of unnamed mountain east of Mt. Archibald (near Mile 1023 on the Alaska Highway)1
- Smoke Hole Area1
- South Bass Island1