| Castricum to Campos del Puerto | 909.84 mi (1,464.25 km) |
| Castricum to Canals | 971.78 mi (1,563.93 km) |
| Castricum to Candelaria | 1,988.42 mi (3,200.05 km) |
| Castricum to Canet de Mar | 763.42 mi (1,228.61 km) |
| Castricum to Cangas | 945.90 mi (1,522.28 km) |
| Castricum to Cangas de Narcea | 828.52 mi (1,333.38 km) |
| Castricum to Canovellas | 763.53 mi (1,228.79 km) |
| Castricum to Canteras | 1,068.20 mi (1,719.10 km) |
| Castricum to Cantillana | 1,149.90 mi (1,850.58 km) |
| Castricum to Capdepera | 889.78 mi (1,431.96 km) |
| Castricum to Carballo | 890.85 mi (1,433.68 km) |
| Castricum to Carcagente | 959.28 mi (1,543.81 km) |
| Castricum to Cardedeu | 761.43 mi (1,225.41 km) |
| Castricum to Carlet | 953.15 mi (1,533.95 km) |
| Castricum to Carmona | 1,154.57 mi (1,858.10 km) |
