| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Odossa | city | Prefecture de Kissidougou | Guinea | 9.13 | -10.05 | 1883 | 1937 |
| Ossokourouma | city | Prefecture de Kissidougou | Guinea | 9.37 | -10.08 | 1653 | 1937 |
| Ouadou | city | Prefecture de Kissidougou | Guinea | 8.92 | -9.58 | 2526 | 1937 |
| Oualto | city | Prefecture de Kissidougou | Guinea | 9.02 | -10.10 | 1998 | 1937 |
| Ouaro Koro | city | Prefecture de Kissidougou | Guinea | 9.15 | -9.45 | 2290 | 1937 |
| Ouarou | city | Prefecture de Kissidougou | Guinea | 9.00 | -9.43 | 2650 | 1938 |
| Ouassaya | city | Prefecture de Kissidougou | Guinea | 9.02 | -10.43 | 1489 | 8246 |
| Ouazemai | city | Prefecture de Kissidougou | Guinea | 8.85 | -9.48 | 2050 | 3515 |
| Ouende To | city | Prefecture de Kissidougou | Guinea | 9.00 | -10.22 | 1998 | 1937 |
| Ouendou | city | Prefecture de Kissidougou | Guinea | 9.05 | -10.13 | 1998 | 1937 |
| Ouendé | city | Prefecture de Kissidougou | Guinea | 9.05 | -10.13 | 1998 | 1937 |
| Ouendé | city | Prefecture de Kissidougou | Guinea | 9.00 | -9.88 | 1735 | 1937 |
| Ouladin | city | Prefecture de Kissidougou | Guinea | 9.10 | -10.28 | 1998 | 1937 |
| Ouladin | city | Prefecture de Kissidougou | Guinea | 9.02 | -10.05 | 1994 | 1937 |
| Ouldou | city | Prefecture de Kissidougou | Guinea | 9.13 | -9.97 | 1784 | 1937 |
| Oumbaya | city | Prefecture de Kissidougou | Guinea | 9.25 | -9.63 | 2011 | 1937 |
| Ouorodou | city | Prefecture de Kissidougou | Guinea | 9.05 | -10.10 | 1998 | 1937 |
| Ouorokore | city | Prefecture de Kissidougou | Guinea | 9.15 | -9.45 | 2290 | 1937 |
| Ouorokoro | city | Prefecture de Kissidougou | Guinea | 9.15 | -9.45 | 2290 | 1937 |
| Ourou | city | Prefecture de Kissidougou | Guinea | 9.00 | -9.43 | 2650 | 1938 |
| Ourouba | city | Prefecture de Kissidougou | Guinea | 9.15 | -10.42 | 2014 | 1937 |
| Ouroukonko | city | Prefecture de Kissidougou | Guinea | 9.02 | -10.27 | 1755 | 1937 |
| Ouroukoro | city | Prefecture de Kissidougou | Guinea | 9.10 | -10.28 | 1998 | 1937 |
| Ouroukoro | city | Prefecture de Kissidougou | Guinea | 9.15 | -9.45 | 2290 | 1937 |
| Oussoukonko | city | Prefecture de Kissidougou | Guinea | 8.90 | -9.70 | 2536 | 4103 |
| Oussoukourouma | city | Prefecture de Kissidougou | Guinea | 9.37 | -10.08 | 1653 | 1937 |
| Ovalto | city | Prefecture de Kissidougou | Guinea | 9.02 | -10.10 | 1998 | 1937 |