| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Padre A. Stefenelli | city | Rio Negro | Argentina | -39.03 | -67.53 | 830 | 16356 |
| Padre Alejandro Stefenelli | city | Rio Negro | Argentina | -39.03 | -67.53 | 830 | 16356 |
| Pailemán | city | Rio Negro | Argentina | -41.19 | -65.97 | 1669 | 231 |
| Pajalta | city | Rio Negro | Argentina | -40.75 | -66.05 | 830 | 0 |
| Paso Chacabuco | city | Rio Negro | Argentina | -40.64 | -70.97 | 2509 | 25 |
| Paso Flores | city | Rio Negro | Argentina | -40.57 | -70.64 | 1860 | 181 |
| Paso Limay | city | Rio Negro | Argentina | -40.53 | -70.43 | 1794 | 0 |
| Paso del Limay | city | Rio Negro | Argentina | -40.53 | -70.43 | 1794 | 0 |
| Penas Blancas | city | Rio Negro | Argentina | -37.69 | -67.82 | 1177 | 671 |
| Percy H. Scott | city | Rio Negro | Argentina | -40.83 | -65.65 | 830 | 0 |
| Perito Moreno | city | Rio Negro | Argentina | -41.12 | -71.41 | 2683 | 20438 |
| Pichi Leufu | city | Rio Negro | Argentina | -41.13 | -70.85 | 3349 | 0 |
| Pichi Mahuida | city | Rio Negro | Argentina | -38.83 | -64.94 | 380 | 0 |
| Piedra Parada | city | Rio Negro | Argentina | -41.82 | -71.13 | 3349 | 0 |
| Piedra Pintada | city | Rio Negro | Argentina | -40.08 | -70.20 | 1856 | 44 |
| Pilahue | city | Rio Negro | Argentina | -40.54 | -69.73 | 4189 | 0 |
| Pilcaniyeu | city | Rio Negro | Argentina | -39.97 | -69.88 | 2509 | 597 |
| Pilcaniyeu | city | Rio Negro | Argentina | -41.12 | -70.73 | 3349 | 219 |
| Pitra-Có | city | Rio Negro | Argentina | -40.05 | -68.08 | 3349 | 0 |
| Plan-Loan | city | Rio Negro | Argentina | -40.21 | -69.31 | 4189 | 0 |
| Pomona | city | Rio Negro | Argentina | -39.49 | -65.61 | 328 | 152 |
| Pozo de la Oveja | city | Rio Negro | Argentina | -40.92 | -63.52 | 236 | 149 |
| Praguaniyeo | city | Rio Negro | Argentina | -41.33 | -67.88 | 3375 | 0 |
| Primera Angostura | city | Rio Negro | Argentina | -40.47 | -63.78 | 203 | 149 |
| Pringles | city | Rio Negro | Argentina | -40.43 | -63.68 | 65 | 472 |
| Pueblo Buena Parada | city | Rio Negro | Argentina | -39.02 | -64.03 | 206 | 8474 |
| Puerta Chica | city | Rio Negro | Argentina | -39.51 | -68.06 | 2509 | 0 |
| Puerto Alegre | city | Rio Negro | Argentina | -41.04 | -71.81 | 3349 | 270 |
| Puerto Blest | city | Rio Negro | Argentina | -41.02 | -71.82 | 2522 | 228 |
| Puerto Frias | city | Rio Negro | Argentina | -41.07 | -71.82 | 3349 | 380 |
| Puerto Moreno | city | Rio Negro | Argentina | -41.12 | -71.41 | 2683 | 20438 |
| Puerto San Antonio Este | city | Rio Negro | Argentina | -40.80 | -64.88 | 16 | 57 |
| Puerto San Antonio Oeste | city | Rio Negro | Argentina | -40.73 | -64.95 | 6 | 8690 |
| Puesto Alegre | city | Rio Negro | Argentina | -41.04 | -71.81 | 3349 | 270 |
| Puesto Las Salinas | city | Rio Negro | Argentina | -40.92 | -63.10 | 114 | 149 |
| Punta del Agua | city | Rio Negro | Argentina | -41.00 | -62.92 | 16 | 149 |