| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Odiong | city | Province of Antique | Philippines | 10.7833333 | 121.9833333 | 72 | 55024 |
| Old San Remigio | city | Province of Antique | Philippines | 10.85 | 122.1 | 531 | 15811 |
| Oloc | city | Province of Antique | Philippines | 11.1275 | 122.0411111 | 111 | 5058 |
| Opsan | city | Province of Antique | Philippines | 10.5166667 | 121.9666667 | 291 | 31026 |
| Osorio | city | Province of Antique | Philippines | 11.3827778 | 122.1169444 | 1309 | 26572 |
| Osorio | city | Province of Antique | Philippines | 10.85 | 122.1666667 | 2427 | 19114 |
| Ouanan | city | Province of Antique | Philippines | 10.5 | 121.9666667 | 659 | 35081 |
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