| Collecchio to Octeville | 649.78 mi (1,045.72 km) |
| Collecchio to Oignies | 518.50 mi (834.44 km) |
| Collecchio to Oissel | 533.47 mi (858.54 km) |
| Collecchio to Olivet | 451.14 mi (726.04 km) |
| Collecchio to Ollioules | 244.17 mi (392.95 km) |
| Collecchio to Olonne-sur-Mer | 591.53 mi (951.98 km) |
| Collecchio to Oloron-Sainte-Marie | 548.38 mi (882.54 km) |
| Collecchio to Onet Village | 376.10 mi (605.27 km) |
| Collecchio to Onnaing | 496.51 mi (799.06 km) |
| Collecchio to Orange | 269.99 mi (434.51 km) |
| Collecchio to Orchies | 511.32 mi (822.90 km) |
| Collecchio to Orleans | 451.94 mi (727.32 km) |
| Collecchio to Orly | 461.52 mi (742.74 km) |
| Collecchio to Ormesson-sur-Marne | 457.67 mi (736.55 km) |
| Collecchio to Orsay | 467.61 mi (752.55 km) |
