| Castalla to Collegno | 616.26 mi (991.78 km) |
| Castalla to Cologno al Serio | 717.10 mi (1,154.05 km) |
| Castalla to Cologno Monzese | 698.90 mi (1,124.76 km) |
| Castalla to Colorno | 717.39 mi (1,154.53 km) |
| Castalla to Comacchio | 784.88 mi (1,263.14 km) |
| Castalla to Comiso | 840.72 mi (1,353.02 km) |
| Castalla to Como | 704.54 mi (1,133.85 km) |
| Castalla to Concordia Sagittaria | 849.39 mi (1,366.97 km) |
| Castalla to Concorezzo | 703.74 mi (1,132.56 km) |
| Castalla to Conegliano | 831.15 mi (1,337.60 km) |
| Castalla to Conselice | 763.73 mi (1,229.10 km) |
| Castalla to Conselve | 789.59 mi (1,270.73 km) |
| Castalla to Conversano | 956.82 mi (1,539.85 km) |
| Castalla to Copertino | 1,003.81 mi (1,615.47 km) |
| Castalla to Copparo | 776.53 mi (1,249.70 km) |
