| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Opa | city | Region des Plateaux | Congo | -2.4833333 | 14.8333333 | 2155 | 182 |
| Opagui | city | Region de la Cuvette | Congo | -0.7469444 | 15.2541667 | 1381 | 649 |
| Opaka | city | Region de la Cuvette | Congo | -0.094444 | 15.5719444 | 1092 | 336 |
| Opari | city | Region de la Cuvette | Congo | -0.4877778 | 14.9211111 | 1646 | 397 |
| Opfou | city | Region de la Cuvette | Congo | 0.1827778 | 15.5308333 | 1177 | 336 |
| Opi | city | Region de la Cuvette | Congo | -1.3913889 | 16.4280556 | 1013 | 280 |
| Opigui | city | Region de la Cuvette | Congo | -1.0716667 | 14.675 | 1945 | 386 |
| Opokania | city | Region de la Cuvette | Congo | -1.0613889 | 15.8933333 | 1095 | 425 |
| Oponga | city | Region de la Cuvette | Congo | -0.4011111 | 14.6516667 | 1817 | 322 |
| Oponga | city | Region de la Cuvette | Congo | -0.9969444 | 16.2994444 | 1030 | 295 |
| Opouma | city | Region de la Sangha | Congo | 0.4755556 | 15.3508333 | 1292 | 103 |
| Opounda | city | Region de la Cuvette | Congo | 0.0833333 | 14.1363889 | 1968 | 322 |
| Opounga | city | Region de la Cuvette | Congo | -0.4011111 | 14.6516667 | 1817 | 322 |
| Opounga | city | Region de la Cuvette | Congo | 0.535 | 14.6527778 | 1627 | 56 |
| Opoungou | city | Region de la Lekoumou | Congo | -2.7927778 | 13.8286111 | 1919 | 406 |
| Opunga | city | Region de la Cuvette | Congo | 0.535 | 14.6527778 | 1627 | 56 |
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