| Castricum to Calafell | 797.51 mi (1,283.48 km) |
| Castricum to Calahorra | 772.32 mi (1,242.93 km) |
| Castricum to Calasparra | 1,035.48 mi (1,666.44 km) |
| Castricum to Calatayud | 828.15 mi (1,332.78 km) |
| Castricum to Caldas de Montbuy | 763.29 mi (1,228.39 km) |
| Castricum to Caldas de Reyes | 922.81 mi (1,485.11 km) |
| Castricum to Calella | 761.18 mi (1,225.00 km) |
| Castricum to Callosa de Segura | 1,031.83 mi (1,660.57 km) |
| Castricum to Calpe | 985.87 mi (1,586.60 km) |
| Castricum to Calvia | 902.99 mi (1,453.22 km) |
| Castricum to Camas | 1,167.11 mi (1,878.28 km) |
| Castricum to Cambados | 933.44 mi (1,502.23 km) |
| Castricum to Cambre | 876.24 mi (1,410.17 km) |
| Castricum to Cambrils | 811.29 mi (1,305.65 km) |
| Castricum to Campo de Criptana | 981.07 mi (1,578.88 km) |
