| Castricum to Busto Arsizio | 515.21 mi (829.15 km) |
| Castricum to Busto Garolfo | 519.95 mi (836.78 km) |
| Castricum to Cabras | 890.76 mi (1,433.54 km) |
| Castricum to Cadelbosco di Sopra | 601.62 mi (968.21 km) |
| Castricum to Cadoneghe | 590.23 mi (949.89 km) |
| Castricum to Cagli | 721.95 mi (1,161.86 km) |
| Castricum to Cagliari | 944.50 mi (1,520.03 km) |
| Castricum to Cairo Montenotte | 586.56 mi (943.98 km) |
| Castricum to Caivano | 920.31 mi (1,481.10 km) |
| Castricum to Calcinaia | 670.74 mi (1,079.45 km) |
| Castricum to Calcinato | 554.54 mi (892.44 km) |
| Castricum to Calderara di Reno | 628.15 mi (1,010.91 km) |
| Castricum to Caldogno | 570.47 mi (918.09 km) |
| Castricum to Calenzano | 669.82 mi (1,077.97 km) |
| Castricum to Calolziocorte | 513.40 mi (826.24 km) |
