| Opovo to Cividale del Friuli | 345.93 mi (556.72 km) |
| Opovo to Civita Castellana | 443.46 mi (713.68 km) |
| Opovo to Civitanova Marche | 353.12 mi (568.29 km) |
| Opovo to Civitavecchia | 477.38 mi (768.27 km) |
| Opovo to Civitella in Val di Chiana | 445.67 mi (717.23 km) |
| Opovo to Clusone | 510.70 mi (821.89 km) |
| Opovo to Coccaglio | 508.76 mi (818.77 km) |
| Opovo to Codigoro | 406.68 mi (654.49 km) |
| Opovo to Codogno | 522.70 mi (841.20 km) |
| Opovo to Codroipo | 366.10 mi (589.18 km) |
| Opovo to Cogoleto | 579.82 mi (933.14 km) |
| Opovo to Colle di Val d'Elsa | 473.95 mi (762.75 km) |
| Opovo to Colle Salvetti | 501.44 mi (806.99 km) |
| Opovo to Collecchio | 499.96 mi (804.61 km) |
| Opovo to Colleferro | 436.91 mi (703.13 km) |
