| Castricum to Cabestany | 686.57 mi (1,104.92 km) |
| Castricum to Cabries | 630.22 mi (1,014.24 km) |
| Castricum to Cachan | 279.02 mi (449.05 km) |
| Castricum to Caen | 319.94 mi (514.90 km) |
| Castricum to Cagnes-sur-Mer | 624.42 mi (1,004.91 km) |
| Castricum to Cahors | 578.83 mi (931.54 km) |
| Castricum to Calais | 163.38 mi (262.94 km) |
| Castricum to Caluire-et-Cuire | 466.78 mi (751.20 km) |
| Castricum to Cambrai | 175.21 mi (281.97 km) |
| Castricum to Canet-en-Roussillon | 684.51 mi (1,101.61 km) |
| Castricum to Cannes | 631.03 mi (1,015.55 km) |
| Castricum to Canteleu | 265.94 mi (428.00 km) |
| Castricum to Capbreton | 676.20 mi (1,088.23 km) |
| Castricum to Carcassonne | 654.11 mi (1,052.69 km) |
| Castricum to Carmaux | 598.46 mi (963.13 km) |
