| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Dolni Ohaj | city | Nitriansky | Slovakia | 48.08 | 18.25 | 830 | 11660 |
| Dolni Okna | city | Liberecky Kraj | Czech Republic | 50.62 | 14.83 | 1062 | 3739 |
| Dolni Okol | city | Razgrad | Bulgaria | 42.48 | 23.50 | 3382 | 2174 |
| Dolni Oldris | city | Liberecky Kraj | Czech Republic | 51.01 | 15.15 | 1669 | 5514 |
| Dolni Olesna | city | Olomoucky Kraj | Czech Republic | 49.91 | 17.01 | 1669 | 10834 |
| Dolni Olesnice | city | Kralovehradecky Kraj | Czech Republic | 50.52 | 15.71 | 1184 | 1490 |
| Dolni Omarbas | city | Plovdiv | Bulgaria | 42.53 | 24.92 | 1669 | 3728 |
| Dolni Omarobas | city | Plovdiv | Bulgaria | 42.53 | 24.92 | 1669 | 3728 |
| Dolni Oreovec | city | Makedonski Brod | Macedonia | 41.49 | 21.13 | 2509 | 3452 |
| Dolni Oresany,Dolnie Oresany,Dolnie Orešany,Dolní Orešany | city | Trnavsky | Slovakia | 48.44 | 17.43 | 830 | 5734 |
| Dolni Orman | city | Blagoevgrad | Bulgaria | 41.53 | 23.33 | 849 | 12349 |
| Dolni Ostrovec | city | Jihocesky Kraj | Czech Republic | 49.42 | 14.12 | 1223 | 3129 |
| Dolni Otrokovce | city | Trnavsky | Slovakia | 48.47 | 17.91 | 830 | 5736 |