| Castalla to Cividale del Friuli | 885.27 mi (1,424.70 km) |
| Castalla to Civita Castellana | 732.81 mi (1,179.35 km) |
| Castalla to Civitanova Marche | 817.52 mi (1,315.67 km) |
| Castalla to Civitavecchia | 699.06 mi (1,125.02 km) |
| Castalla to Civitella in Val di Chiana | 725.65 mi (1,167.82 km) |
| Castalla to Clusone | 739.49 mi (1,190.10 km) |
| Castalla to Coccaglio | 726.82 mi (1,169.71 km) |
| Castalla to Codigoro | 786.38 mi (1,265.56 km) |
| Castalla to Codogno | 699.39 mi (1,125.56 km) |
| Castalla to Codroipo | 861.71 mi (1,386.78 km) |
| Castalla to Cogoleto | 625.94 mi (1,007.35 km) |
| Castalla to Colle di Val d'Elsa | 698.38 mi (1,123.93 km) |
| Castalla to Colle Salvetti | 675.00 mi (1,086.31 km) |
| Castalla to Collecchio | 703.59 mi (1,132.31 km) |
| Castalla to Colleferro | 753.54 mi (1,212.71 km) |
