| Castelfidardo to Chitila | 621.80 mi (1,000.69 km) |
| Castelfidardo to Cisnadie | 543.97 mi (875.44 km) |
| Castelfidardo to Cluj-Napoca | 539.44 mi (868.15 km) |
| Castelfidardo to Codlea | 604.86 mi (973.43 km) |
| Castelfidardo to Comanesti | 662.55 mi (1,066.27 km) |
| Castelfidardo to Comarnic | 609.22 mi (980.45 km) |
| Castelfidardo to Constanta | 752.69 mi (1,211.34 km) |
| Castelfidardo to Corabia | 548.09 mi (882.07 km) |
| Castelfidardo to Costesti | 568.33 mi (914.64 km) |
| Castelfidardo to Covasna | 641.91 mi (1,033.05 km) |
| Castelfidardo to Craiova | 514.50 mi (828.01 km) |
| Castelfidardo to Cristuru Secuiesc | 594.82 mi (957.26 km) |
| Castelfidardo to Cugir | 509.37 mi (819.75 km) |
| Castelfidardo to Cumpana | 748.96 mi (1,205.33 km) |
| Castelfidardo to Curtea de Arges | 562.06 mi (904.54 km) |
