| Ronciglione to Chitila | 707.02 mi (1,137.84 km) |
| Ronciglione to Cisnadie | 637.86 mi (1,026.53 km) |
| Ronciglione to Cluj-Napoca | 638.87 mi (1,028.16 km) |
| Ronciglione to Codlea | 697.45 mi (1,122.44 km) |
| Ronciglione to Comanesti | 757.80 mi (1,219.57 km) |
| Ronciglione to Comarnic | 699.20 mi (1,125.26 km) |
| Ronciglione to Constanta | 835.24 mi (1,344.19 km) |
| Ronciglione to Corabia | 628.45 mi (1,011.39 km) |
| Ronciglione to Costesti | 655.18 mi (1,054.40 km) |
| Ronciglione to Covasna | 734.68 mi (1,182.36 km) |
| Ronciglione to Craiova | 599.57 mi (964.92 km) |
| Ronciglione to Cristuru Secuiesc | 690.70 mi (1,111.58 km) |
| Ronciglione to Cugir | 604.83 mi (973.38 km) |
| Ronciglione to Cumpana | 831.20 mi (1,337.69 km) |
| Ronciglione to Curtea de Arges | 652.09 mi (1,049.44 km) |
