| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Οσέρ | city | Bourgogne | France | 47.80 | 3.57 | 328 | 42328 |
| Οσβιέτσιμ | city | Malopolskie | Poland | 50.04 | 19.23 | 830 | 58693 |
| Οσιγιέκ | city | Osjecko-Baranjska Zupanija | Croatia | 45.55 | 18.69 | 321 | 8862 |
| Οσμάν Καμήλα | city | Kentriki Makedonia | Greece | 41.02 | 23.48 | 95 | 11186 |
| Οσμάναγα | city | Peloponnisos | Greece | 37.00 | 21.68 | 331 | 3756 |
| Οσμανίγιε | city | Osmaniye | Turkey | 37.07 | 36.25 | 400 | 99906 |
| Οσνίτσανη | city | Dytiki Makedonia | Greece | 40.36 | 21.16 | 3425 | 1940 |
| Οστένδη | city | Vlaanderen | Belgium | 51.22 | 2.91 | 3 | 64366 |
| Οστράβα | city | Moravskoslezsky Kraj | Czech Republic | 49.81 | 18.26 | 830 | 125247 |