| Opava to Civita Castellana | 589.56 mi (948.80 km) |
| Opava to Civitanova Marche | 499.34 mi (803.61 km) |
| Opava to Civitavecchia | 615.19 mi (990.06 km) |
| Opava to Civitella in Val di Chiana | 537.23 mi (864.59 km) |
| Opava to Clusone | 462.40 mi (744.16 km) |
| Opava to Coccaglio | 475.94 mi (765.96 km) |
| Opava to Codigoro | 444.36 mi (715.13 km) |
| Opava to Codogno | 504.66 mi (812.17 km) |
| Opava to Codroipo | 356.77 mi (574.17 km) |
| Opava to Cogoleto | 579.01 mi (931.83 km) |
| Opava to Colle di Val d'Elsa | 553.70 mi (891.09 km) |
| Opava to Colle Salvetti | 560.78 mi (902.49 km) |
| Opava to Collecchio | 507.47 mi (816.70 km) |
| Opava to Colleferro | 613.45 mi (987.25 km) |
| Opava to Collegno | 586.80 mi (944.36 km) |
