| Collegno to Oberkirch | 239.99 mi (386.23 km) |
| Collegno to Obernburg am Main | 337.10 mi (542.51 km) |
| Collegno to Obernkirchen | 501.65 mi (807.33 km) |
| Collegno to Oberschleissheim | 289.61 mi (466.08 km) |
| Collegno to Oberstdorf | 206.60 mi (332.49 km) |
| Collegno to Obertraubling | 344.84 mi (554.97 km) |
| Collegno to Obertshausen | 349.68 mi (562.76 km) |
| Collegno to Oberursel | 357.22 mi (574.89 km) |
| Collegno to Ochsenfurt | 336.75 mi (541.95 km) |
| Collegno to Ochsenhausen | 235.65 mi (379.24 km) |
| Collegno to Ochtrup | 492.81 mi (793.10 km) |
| Collegno to Odenthal | 412.04 mi (663.12 km) |
| Collegno to Oelde | 467.53 mi (752.41 km) |
| Collegno to Oelsnitz | 426.01 mi (685.59 km) |
| Collegno to Oer-Erkenschwick | 453.82 mi (730.35 km) |
