| Castricum to Cognac | 524.39 mi (843.92 km) |
| Castricum to Cogolin | 648.11 mi (1,043.03 km) |
| Castricum to Colmar | 330.68 mi (532.18 km) |
| Castricum to Colombes | 271.86 mi (437.51 km) |
| Castricum to Colomiers | 636.09 mi (1,023.69 km) |
| Castricum to Combs-la-Ville | 283.52 mi (456.28 km) |
| Castricum to Comines | 142.59 mi (229.47 km) |
| Castricum to Compiegne | 230.96 mi (371.70 km) |
| Castricum to Concarneau | 497.84 mi (801.20 km) |
| Castricum to Conde-sur-l'Escaut | 152.35 mi (245.18 km) |
| Castricum to Conflans-Sainte-Honorine | 269.74 mi (434.11 km) |
| Castricum to Corbas | 475.61 mi (765.42 km) |
| Castricum to Corbeil-Essonnes | 288.32 mi (464.00 km) |
| Castricum to Cormeilles-en-Parisis | 269.51 mi (433.74 km) |
| Castricum to Cosne sur Loire | 363.42 mi (584.87 km) |
