- Newfoundland, Port aux Basques, Burgeo - La Poile1
- Northern Range, Trail to El Tucuche from Acono Road, north of St. Joseph, near summit of El Tucuche1
- Oahu1
- Oahu, Honolulu, Konahuanui1
- Oahu, Honolulu, Pacific Height1
- Oahu, Kawaiiki Ditch Trail1
- Oahu, Palikea Trail from Mauna Kapu to Palikea, Waianea Range1
- Oahu, Pupukea Trail1
- Oahu, summit of Puu Kaala, Waianae Mountains, Waianaeuka1
- Oahu, trail along northeast side of Mt. Tantalus1
- Old trail above upper Río de Maricao1
- Oregon1
- Orizaba1
- Pacho1
- Pickens1
- Pinar del Rio1
- Port Stanley1
- Raccoon Mt.1
- Roadside fen about 19 miles south of junction with Ucluelet-Tofino Highway, Vancouver Island1
- Saint Thomas1