| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oleirinhos | city | Braganca | Portugal | 41.85 | -6.76 | 1922 | 14623 |
| Oleiros | city | Braganca | Portugal | 41.85 | -6.84 | 2782 | 1455 |
| Olmos | city | Braganca | Portugal | 41.49 | -6.90 | 1669 | 1764 |
| Ousilhão | city | Braganca | Portugal | 41.79 | -6.95 | 2818 | 1570 |
| Outeiro | city | Braganca | Portugal | 41.68 | -6.60 | 2509 | 1158 |
| Ouzilhão | city | Braganca | Portugal | 41.79 | -6.95 | 2818 | 1570 |