| Collecchio to Oerlinghausen | 503.65 mi (810.54 km) |
| Collecchio to Oestrich-Winkel | 377.23 mi (607.09 km) |
| Collecchio to Offenburg | 278.70 mi (448.53 km) |
| Collecchio to Oftersheim | 328.34 mi (528.41 km) |
| Collecchio to Ohrdruf | 420.64 mi (676.95 km) |
| Collecchio to Ohringen | 309.31 mi (497.79 km) |
| Collecchio to Olbernhau | 433.62 mi (697.85 km) |
| Collecchio to Olching | 244.04 mi (392.75 km) |
| Collecchio to Oldenburg | 586.98 mi (944.65 km) |
| Collecchio to Oldenburg in Holstein | 660.51 mi (1,062.99 km) |
| Collecchio to Olfen | 498.60 mi (802.42 km) |
| Collecchio to Olpe | 446.78 mi (719.03 km) |
| Collecchio to Olsberg | 462.95 mi (745.05 km) |
| Collecchio to Oranienburg | 569.77 mi (916.96 km) |
| Collecchio to Ortenberg | 391.08 mi (629.38 km) |
