| Opovo to Collegno | 626.82 mi (1,008.77 km) |
| Opovo to Cologno al Serio | 522.23 mi (840.45 km) |
| Opovo to Cologno Monzese | 542.64 mi (873.29 km) |
| Opovo to Colorno | 490.68 mi (789.67 km) |
| Opovo to Comacchio | 404.35 mi (650.73 km) |
| Opovo to Comiso | 636.59 mi (1,024.50 km) |
| Opovo to Como | 552.07 mi (888.47 km) |
| Opovo to Concordia Sagittaria | 370.85 mi (596.82 km) |
| Opovo to Concorezzo | 539.83 mi (868.78 km) |
| Opovo to Conegliano | 398.09 mi (640.67 km) |
| Opovo to Conselice | 423.01 mi (680.77 km) |
| Opovo to Conselve | 417.34 mi (671.64 km) |
| Opovo to Conversano | 328.10 mi (528.03 km) |
| Opovo to Copertino | 352.01 mi (566.50 km) |
| Opovo to Copparo | 420.13 mi (676.13 km) |
