| Copparo to Oerlinghausen | 509.26 mi (819.57 km) |
| Copparo to Oestrich-Winkel | 395.15 mi (635.93 km) |
| Copparo to Offenburg | 307.97 mi (495.64 km) |
| Copparo to Oftersheim | 344.49 mi (554.40 km) |
| Copparo to Ohrdruf | 412.74 mi (664.25 km) |
| Copparo to Ohringen | 316.72 mi (509.71 km) |
| Copparo to Olbernhau | 404.46 mi (650.91 km) |
| Copparo to Olching | 229.32 mi (369.06 km) |
| Copparo to Oldenburg | 592.54 mi (953.60 km) |
| Copparo to Oldenburg in Holstein | 650.85 mi (1,047.45 km) |
| Copparo to Olfen | 513.23 mi (825.96 km) |
| Copparo to Olpe | 461.20 mi (742.23 km) |
| Copparo to Olsberg | 471.54 mi (758.88 km) |
| Copparo to Oranienburg | 546.40 mi (879.35 km) |
| Copparo to Ortenberg | 398.46 mi (641.26 km) |
