| Harsum to Ciampino | 729.49 mi (1,174.01 km) |
| Harsum to Cicciano | 805.90 mi (1,296.97 km) |
| Harsum to Cingoli | 628.96 mi (1,012.22 km) |
| Harsum to Cinisello Balsamo | 461.08 mi (742.03 km) |
| Harsum to Cinisi | 981.72 mi (1,579.92 km) |
| Harsum to Cirie | 493.38 mi (794.02 km) |
| Harsum to Ciro Marina | 950.61 mi (1,529.86 km) |
| Harsum to Cislago | 455.16 mi (732.51 km) |
| Harsum to Cisterna di Latina | 745.64 mi (1,199.99 km) |
| Harsum to Cisternino | 867.66 mi (1,396.37 km) |
| Harsum to Citta di Castello | 613.33 mi (987.05 km) |
| Harsum to Citta Sant'Angelo | 695.96 mi (1,120.05 km) |
| Harsum to Cittadella | 460.39 mi (740.93 km) |
| Harsum to Cittanova | 1,001.64 mi (1,611.98 km) |
| Harsum to Cividale del Friuli | 449.96 mi (724.14 km) |
