| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Οτβάιλερ | city | Saarland | Germany | 49.41 | 7.16 | 931 | 54476 |
| Οτζιάς | city | Notio Aigaio | Greece | 37.67 | 24.35 | 154 | 777 |
| Οτράντο | city | Puglia | Italy | 40.15 | 18.50 | 0 | 3512 |
| Οττάβα | city | Ontario | Canada | 45.42 | -75.70 | 246 | 210946 |
| Οττομπρούν | city | Bayern | Germany | 48.07 | 11.65 | 1827 | 127271 |