| Castricum to Chitila | 1,116.34 mi (1,796.57 km) |
| Castricum to Cisnadie | 995.09 mi (1,601.44 km) |
| Castricum to Cluj-Napoca | 931.99 mi (1,499.90 km) |
| Castricum to Codlea | 1,046.91 mi (1,684.84 km) |
| Castricum to Comanesti | 1,059.88 mi (1,705.72 km) |
| Castricum to Comarnic | 1,072.17 mi (1,725.49 km) |
| Castricum to Constanta | 1,235.30 mi (1,988.02 km) |
| Castricum to Corabia | 1,091.38 mi (1,756.40 km) |
| Castricum to Costesti | 1,066.59 mi (1,716.51 km) |
| Castricum to Covasna | 1,070.70 mi (1,723.13 km) |
| Castricum to Craiova | 1,040.36 mi (1,674.30 km) |
| Castricum to Cristuru Secuiesc | 1,007.83 mi (1,621.94 km) |
| Castricum to Cugir | 958.96 mi (1,543.30 km) |
| Castricum to Cumpana | 1,234.43 mi (1,986.62 km) |
| Castricum to Curtea de Arges | 1,039.12 mi (1,672.31 km) |
