| Silleda to Cividale del Friuli | 1,091.41 mi (1,756.45 km) |
| Silleda to Civita Castellana | 1,049.37 mi (1,688.80 km) |
| Silleda to Civitanova Marche | 1,107.58 mi (1,782.48 km) |
| Silleda to Civitavecchia | 1,020.59 mi (1,642.48 km) |
| Silleda to Civitella in Val di Chiana | 1,005.96 mi (1,618.93 km) |
| Silleda to Clusone | 923.56 mi (1,486.33 km) |
| Silleda to Coccaglio | 922.39 mi (1,484.44 km) |
| Silleda to Codigoro | 1,023.28 mi (1,646.81 km) |
| Silleda to Codogno | 906.66 mi (1,459.14 km) |
| Silleda to Codroipo | 1,068.94 mi (1,720.29 km) |
| Silleda to Cogoleto | 851.81 mi (1,370.85 km) |
| Silleda to Colle di Val d'Elsa | 976.82 mi (1,572.05 km) |
| Silleda to Colle Salvetti | 943.51 mi (1,518.44 km) |
| Silleda to Collecchio | 929.99 mi (1,496.67 km) |
| Silleda to Colleferro | 1,086.56 mi (1,748.66 km) |
