| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Obenetto | city | Friuli-Venezia Giulia | Italy | 46.16 | 13.64 | 1768 | 2026 |
| Obenetto / Dubenije | city | Friuli-Venezia Giulia | Italy | 46.16 | 13.64 | 1768 | 2026 |
| Oberbozen | city | Trentino-Sudtirol | Italy | 46.53 | 11.40 | 4189 | 31949 |
| Oberbozen - Soprabolzano | city | Trentino-Sudtirol | Italy | 46.53 | 11.40 | 4189 | 31949 |
| Oberinn | city | Trentino-Sudtirol | Italy | 46.55 | 11.40 | 4189 | 8863 |
| Oberinn - Auna di Sopra | city | Trentino-Sudtirol | Italy | 46.55 | 11.40 | 4189 | 8863 |
| Oberplanitzing | city | Trentino-Sudtirol | Italy | 46.43 | 11.25 | 1249 | 15910 |
| Oberplanitzing - Pianizza di Sopra | city | Trentino-Sudtirol | Italy | 46.43 | 11.25 | 1249 | 15910 |
| Oberplanken - Planca di sopra | city | Trentino-Sudtirol | Italy | 46.79 | 12.21 | 5331 | 1850 |
| Oberrasen | city | Trentino-Sudtirol | Italy | 46.79 | 12.06 | 4251 | 4008 |
| Oberrasen - Rasun di Sopra | city | Trentino-Sudtirol | Italy | 46.79 | 12.06 | 4251 | 4008 |
| Obersteiner | city | Trentino-Sudtirol | Italy | 46.90 | 11.68 | 4314 | 2268 |
| Obervierschach | city | Trentino-Sudtirol | Italy | 46.73 | 12.33 | 4537 | 2872 |
| Obervierschach - Versciaco di Sopra | city | Trentino-Sudtirol | Italy | 46.73 | 12.33 | 4537 | 2872 |
| Obervintl | city | Trentino-Sudtirol | Italy | 46.80 | 11.73 | 5029 | 2786 |
| Obervintl - Vandoies di Sopra | city | Trentino-Sudtirol | Italy | 46.80 | 11.73 | 5029 | 2786 |
| Oberzahre | city | Friuli-Venezia Giulia | Italy | 46.47 | 12.68 | 4215 | 1111 |
| Obledo | city | Veneto | Italy | 45.85 | 11.87 | 846 | 14786 |
| Oblizza | city | Friuli-Venezia Giulia | Italy | 46.14 | 13.59 | 1669 | 2147 |
| Oblizza / Oblica | city | Friuli-Venezia Giulia | Italy | 46.14 | 13.59 | 1669 | 2147 |
| Obranchi | city | Friuli-Venezia Giulia | Italy | 46.16 | 13.64 | 2070 | 2082 |