| Risca to Cividale del Friuli | 839.53 mi (1,351.09 km) |
| Risca to Civita Castellana | 970.29 mi (1,561.53 km) |
| Risca to Civitanova Marche | 969.53 mi (1,560.31 km) |
| Risca to Civitavecchia | 959.23 mi (1,543.73 km) |
| Risca to Civitella in Val di Chiana | 890.33 mi (1,432.84 km) |
| Risca to Clusone | 712.16 mi (1,146.10 km) |
| Risca to Coccaglio | 727.16 mi (1,170.25 km) |
| Risca to Codigoro | 839.58 mi (1,351.17 km) |
| Risca to Codogno | 735.33 mi (1,183.39 km) |
| Risca to Codroipo | 826.59 mi (1,330.27 km) |
| Risca to Cogoleto | 735.41 mi (1,183.52 km) |
| Risca to Colle di Val d'Elsa | 870.48 mi (1,400.90 km) |
| Risca to Colle Salvetti | 837.87 mi (1,348.42 km) |
| Risca to Collecchio | 772.89 mi (1,243.85 km) |
| Risca to Colleferro | 1,019.98 mi (1,641.50 km) |
