| Castricum to Cortona | 724.10 mi (1,165.33 km) |
| Castricum to Cosenza | 1,068.49 mi (1,719.57 km) |
| Castricum to Cossato | 507.70 mi (817.06 km) |
| Castricum to Costa Volpino | 524.73 mi (844.48 km) |
| Castricum to Creazzo | 574.19 mi (924.07 km) |
| Castricum to Crema | 545.69 mi (878.20 km) |
| Castricum to Cremona | 567.20 mi (912.82 km) |
| Castricum to Crevalcore | 616.32 mi (991.87 km) |
| Castricum to Crispiano | 1,015.66 mi (1,634.55 km) |
| Castricum to Crosia | 1,065.14 mi (1,714.17 km) |
| Castricum to Crotone | 1,103.42 mi (1,775.78 km) |
| Castricum to Cuneo | 579.39 mi (932.44 km) |
| Castricum to Cuorgne | 512.78 mi (825.24 km) |
| Castricum to Cusano Milanino | 524.86 mi (844.68 km) |
| Castricum to Cutro | 1,103.08 mi (1,775.23 km) |
