| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ogao | city | Province of Sorsogon | Philippines | 12.9677778 | 124.1283333 | 45 | 34623 |
| Ogod | city | Province of Sorsogon | Philippines | 12.9013889 | 123.6222222 | 13 | 10916 |
| Old San Antonio | city | Province of Sorsogon | Philippines | 12.6958333 | 124.1308333 | 0 | 11536 |
| Orangni | city | Province of Sorsogon | Philippines | 12.9 | 123.5833333 | 0 | 5424 |
| Orangñi | city | Province of Sorsogon | Philippines | 12.9 | 123.5833333 | 0 | 5424 |
| Oras | city | Province of Sorsogon | Philippines | 12.9166667 | 123.6666667 | 3 | 25573 |
| Osiao | city | Province of Sorsogon | Philippines | 13.0897222 | 123.9777778 | 620 | 13017 |
| Otabe | city | Province of Sorsogon | Philippines | 12.6494444 | 123.9272222 | 75 | 41223 |
| Otavi | city | Province of Sorsogon | Philippines | 12.6494444 | 123.9272222 | 75 | 41223 |
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