| Collegno to Oerlinghausen | 478.61 mi (770.25 km) |
| Collegno to Oestrich-Winkel | 340.69 mi (548.29 km) |
| Collegno to Offenburg | 234.79 mi (377.86 km) |
| Collegno to Oftersheim | 300.40 mi (483.44 km) |
| Collegno to Ohrdruf | 423.29 mi (681.21 km) |
| Collegno to Ohringen | 298.87 mi (480.99 km) |
| Collegno to Olbernhau | 469.17 mi (755.06 km) |
| Collegno to Olching | 279.39 mi (449.63 km) |
| Collegno to Oldenburg | 558.08 mi (898.15 km) |
| Collegno to Oldenburg in Holstein | 653.98 mi (1,052.48 km) |
| Collegno to Olfen | 458.81 mi (738.38 km) |
| Collegno to Olpe | 410.54 mi (660.69 km) |
| Collegno to Olsberg | 435.40 mi (700.71 km) |
| Collegno to Oranienburg | 589.05 mi (947.98 km) |
| Collegno to Ortenberg | 371.13 mi (597.28 km) |
