| Copparo to Octeville | 709.88 mi (1,142.45 km) |
| Copparo to Oignies | 562.43 mi (905.15 km) |
| Copparo to Oissel | 590.14 mi (949.75 km) |
| Copparo to Olivet | 515.33 mi (829.34 km) |
| Copparo to Ollioules | 321.25 mi (517.00 km) |
| Copparo to Olonne-sur-Mer | 665.15 mi (1,070.46 km) |
| Copparo to Oloron-Sainte-Marie | 628.28 mi (1,011.11 km) |
| Copparo to Onet Village | 455.55 mi (733.14 km) |
| Copparo to Onnaing | 538.59 mi (866.77 km) |
| Copparo to Orange | 349.88 mi (563.08 km) |
| Copparo to Orchies | 554.27 mi (892.00 km) |
| Copparo to Orleans | 515.87 mi (830.21 km) |
| Copparo to Orly | 518.82 mi (834.97 km) |
| Copparo to Ormesson-sur-Marne | 514.29 mi (827.68 km) |
| Copparo to Orsay | 525.75 mi (846.12 km) |
