| Catalca to Cividale del Friuli | 824.41 mi (1,326.76 km) |
| Catalca to Civita Castellana | 830.49 mi (1,336.54 km) |
| Catalca to Civitanova Marche | 767.23 mi (1,234.73 km) |
| Catalca to Civitavecchia | 861.84 mi (1,386.99 km) |
| Catalca to Civitella in Val di Chiana | 868.84 mi (1,398.26 km) |
| Catalca to Clusone | 981.07 mi (1,578.88 km) |
| Catalca to Coccaglio | 975.03 mi (1,569.16 km) |
| Catalca to Codigoro | 862.91 mi (1,388.72 km) |
| Catalca to Codogno | 982.88 mi (1,581.80 km) |
| Catalca to Codroipo | 842.06 mi (1,355.17 km) |
| Catalca to Cogoleto | 1,027.20 mi (1,653.12 km) |
| Catalca to Colle di Val d'Elsa | 897.95 mi (1,445.11 km) |
| Catalca to Colle Salvetti | 931.45 mi (1,499.02 km) |
| Catalca to Collecchio | 953.63 mi (1,534.72 km) |
| Catalca to Colleferro | 800.06 mi (1,287.57 km) |
