| Castel San Giorgio to Ciampino | 129.69 mi (208.71 km) |
| Castel San Giorgio to Cicciano | 15.38 mi (24.75 km) |
| Castel San Giorgio to Cingoli | 194.02 mi (312.25 km) |
| Castel San Giorgio to Cinisello Balsamo | 429.70 mi (691.53 km) |
| Castel San Giorgio to Cinisi | 199.91 mi (321.72 km) |
| Castel San Giorgio to Cirie | 472.21 mi (759.94 km) |
| Castel San Giorgio to Ciro Marina | 161.29 mi (259.57 km) |
| Castel San Giorgio to Cislago | 442.94 mi (712.84 km) |
| Castel San Giorgio to Cisterna di Latina | 112.18 mi (180.53 km) |
| Castel San Giorgio to Cisternino | 143.09 mi (230.28 km) |
| Castel San Giorgio to Citta di Castello | 223.73 mi (360.06 km) |
| Castel San Giorgio to Citta Sant'Angelo | 124.38 mi (200.17 km) |
| Castel San Giorgio to Cittadella | 366.86 mi (590.41 km) |
| Castel San Giorgio to Cittanova | 183.55 mi (295.40 km) |
| Castel San Giorgio to Cividale del Friuli | 372.79 mi (599.95 km) |
