| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Obarsenii Lingurari | city | Vaslui | Romania | 46.60 | 27.43 | 1181 | 5195 |
| Obirseni | city | Vaslui | Romania | 46.57 | 27.45 | 1190 | 4635 |
| Obirseni-Lingurari | city | Vaslui | Romania | 46.60 | 27.43 | 1181 | 5195 |
| Obirseni-Razesi | city | Vaslui | Romania | 46.57 | 27.45 | 1190 | 4635 |
| Obirseni-Razesti | city | Vaslui | Romania | 46.57 | 27.45 | 1190 | 4635 |
| Obirsenii-Lingurari | city | Vaslui | Romania | 46.60 | 27.43 | 1181 | 5195 |
| Obârseni Clăcaşi | city | Vaslui | Romania | 46.57 | 27.45 | 1190 | 4635 |
| Obârşeni | city | Vaslui | Romania | 46.18 | 27.83 | 830 | 5361 |
| Obârşenii Răzeşi | city | Vaslui | Romania | 46.57 | 27.45 | 1190 | 4635 |
| Obârşenii-Lingurari | city | Vaslui | Romania | 46.60 | 27.43 | 1181 | 5195 |
| Obîrşeni | city | Vaslui | Romania | 46.18 | 27.83 | 830 | 5361 |
| Obîrşeni-Clăcaşi | city | Vaslui | Romania | 46.57 | 27.45 | 1190 | 4635 |
| Odaia Bogdana | city | Vaslui | Romania | 46.29 | 28.08 | 213 | 4731 |
| Odaia Bursucani | city | Vaslui | Romania | 46.15 | 27.65 | 403 | 28441 |
| Oltenesti | city | Vaslui | Romania | 46.58 | 27.90 | 830 | 3243 |
| Onesti | city | Vaslui | Romania | 46.50 | 27.45 | 839 | 2592 |
| Oprişiţa | city | Vaslui | Romania | 46.62 | 27.57 | 830 | 6882 |
| Opština Bârlad | city | Vaslui | Romania | 46.23 | 27.67 | 226 | 67162 |
| Orgoeşti | city | Vaslui | Romania | 46.48 | 27.68 | 830 | 3708 |
| Oteleni | city | Vaslui | Romania | 46.55 | 27.97 | 830 | 2827 |
| Oşeşti | city | Vaslui | Romania | 46.77 | 27.47 | 830 | 6966 |
| Oţetoaia | city | Vaslui | Romania | 46.58 | 28.17 | 42 | 5877 |