| Castelleone to Chitila | 794.37 mi (1,278.41 km) |
| Castelleone to Cisnadie | 696.48 mi (1,120.87 km) |
| Castelleone to Cluj-Napoca | 669.89 mi (1,078.08 km) |
| Castelleone to Codlea | 758.84 mi (1,221.23 km) |
| Castelleone to Comanesti | 805.30 mi (1,296.00 km) |
| Castelleone to Comarnic | 770.61 mi (1,240.18 km) |
| Castelleone to Constanta | 927.49 mi (1,492.66 km) |
| Castelleone to Corabia | 732.60 mi (1,179.01 km) |
| Castelleone to Costesti | 739.06 mi (1,189.41 km) |
| Castelleone to Covasna | 793.89 mi (1,277.65 km) |
| Castelleone to Craiova | 691.25 mi (1,112.46 km) |
| Castelleone to Cristuru Secuiesc | 737.90 mi (1,187.53 km) |
| Castelleone to Cugir | 658.23 mi (1,059.31 km) |
| Castelleone to Cumpana | 924.48 mi (1,487.80 km) |
| Castelleone to Curtea de Arges | 725.13 mi (1,166.98 km) |
