| Sesto San Giovanni to Oberkirch | 214.23 mi (344.77 km) |
| Sesto San Giovanni to Obernburg am Main | 297.59 mi (478.93 km) |
| Sesto San Giovanni to Obernkirchen | 465.24 mi (748.73 km) |
| Sesto San Giovanni to Oberschleissheim | 217.63 mi (350.24 km) |
| Sesto San Giovanni to Oberstdorf | 138.87 mi (223.49 km) |
| Sesto San Giovanni to Obertraubling | 274.13 mi (441.17 km) |
| Sesto San Giovanni to Obertshausen | 313.78 mi (504.97 km) |
| Sesto San Giovanni to Oberursel | 324.09 mi (521.58 km) |
| Sesto San Giovanni to Ochsenfurt | 287.07 mi (461.99 km) |
| Sesto San Giovanni to Ochsenhausen | 178.65 mi (287.50 km) |
| Sesto San Giovanni to Ochtrup | 470.22 mi (756.74 km) |
| Sesto San Giovanni to Odenthal | 392.23 mi (631.24 km) |
| Sesto San Giovanni to Oelde | 438.07 mi (705.01 km) |
| Sesto San Giovanni to Oelsnitz | 363.59 mi (585.15 km) |
| Sesto San Giovanni to Oer-Erkenschwick | 431.66 mi (694.68 km) |
