Oregon cities which start with the letter O.
| Place | Place Type | 2010 Population |
|---|---|---|
| O Brien | ||
| Oak Grove | ||
| Oak Lodge | ||
| Oakland | city | 927 |
| Oakridge | city | 3205 |
| Oceanside | ||
| Odell | ||
| Ontario | city | 11366 |
| Ophir | ||
| Oregon City | city | 31859 |
| Oregon State Univ | ||
| Orenco | ||
| Oretech | ||
| Oswego | ||
| Otis | ||
| Otter Rock | ||
| Owyhee Corners | ||
| Oxbow |
Browse OR Cities by Letter
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