| Carate Brianza to Oberkirch | 198.01 mi (318.67 km) |
| Carate Brianza to Obernburg am Main | 281.44 mi (452.94 km) |
| Carate Brianza to Obernkirchen | 449.10 mi (722.75 km) |
| Carate Brianza to Oberschleissheim | 205.03 mi (329.97 km) |
| Carate Brianza to Oberstdorf | 124.88 mi (200.97 km) |
| Carate Brianza to Obertraubling | 261.39 mi (420.67 km) |
| Carate Brianza to Obertshausen | 297.54 mi (478.85 km) |
| Carate Brianza to Oberursel | 307.82 mi (495.38 km) |
| Carate Brianza to Ochsenfurt | 271.43 mi (436.82 km) |
| Carate Brianza to Ochsenhausen | 163.33 mi (262.85 km) |
| Carate Brianza to Ochtrup | 453.92 mi (730.52 km) |
| Carate Brianza to Odenthal | 375.99 mi (605.10 km) |
| Carate Brianza to Oelde | 421.78 mi (678.79 km) |
| Carate Brianza to Oelsnitz | 349.47 mi (562.42 km) |
| Carate Brianza to Oer-Erkenschwick | 415.37 mi (668.47 km) |
