| Issum to Ciampino | 733.21 mi (1,179.98 km) |
| Issum to Cicciano | 825.68 mi (1,328.80 km) |
| Issum to Cingoli | 647.08 mi (1,041.37 km) |
| Issum to Cinisello Balsamo | 432.98 mi (696.82 km) |
| Issum to Cinisi | 979.08 mi (1,575.67 km) |
| Issum to Cirie | 438.85 mi (706.27 km) |
| Issum to Ciro Marina | 985.70 mi (1,586.33 km) |
| Issum to Cislago | 423.08 mi (680.89 km) |
| Issum to Cisterna di Latina | 750.97 mi (1,208.56 km) |
| Issum to Cisternino | 911.76 mi (1,467.34 km) |
| Issum to Citta di Castello | 620.28 mi (998.24 km) |
| Issum to Citta Sant'Angelo | 718.55 mi (1,156.39 km) |
| Issum to Cittadella | 474.62 mi (763.82 km) |
| Issum to Cittanova | 1,024.38 mi (1,648.58 km) |
| Issum to Cividale del Friuli | 492.41 mi (792.45 km) |
