| Mandello del Lario to Oberkirch | 189.82 mi (305.49 km) |
| Mandello del Lario to Obernburg am Main | 271.20 mi (436.45 km) |
| Mandello del Lario to Obernkirchen | 438.81 mi (706.20 km) |
| Mandello del Lario to Oberschleissheim | 192.84 mi (310.35 km) |
| Mandello del Lario to Oberstdorf | 112.80 mi (181.53 km) |
| Mandello del Lario to Obertraubling | 249.20 mi (401.05 km) |
| Mandello del Lario to Obertshausen | 287.61 mi (462.86 km) |
| Mandello del Lario to Oberursel | 298.13 mi (479.80 km) |
| Mandello del Lario to Ochsenfurt | 260.28 mi (418.88 km) |
| Mandello del Lario to Ochsenhausen | 151.87 mi (244.42 km) |
| Mandello del Lario to Ochtrup | 445.00 mi (716.17 km) |
| Mandello del Lario to Odenthal | 367.56 mi (591.53 km) |
| Mandello del Lario to Oelde | 412.21 mi (663.38 km) |
| Mandello del Lario to Oelsnitz | 337.46 mi (543.08 km) |
| Mandello del Lario to Oer-Erkenschwick | 406.58 mi (654.32 km) |
