| Mayen to Ciampino | 643.17 mi (1,035.09 km) |
| Mayen to Cicciano | 736.52 mi (1,185.32 km) |
| Mayen to Cingoli | 558.21 mi (898.36 km) |
| Mayen to Cinisello Balsamo | 343.18 mi (552.29 km) |
| Mayen to Cinisi | 888.92 mi (1,430.58 km) |
| Mayen to Cirie | 352.69 mi (567.59 km) |
| Mayen to Ciro Marina | 897.99 mi (1,445.18 km) |
| Mayen to Cislago | 333.52 mi (536.75 km) |
| Mayen to Cisterna di Latina | 660.98 mi (1,063.74 km) |
| Mayen to Cisternino | 825.70 mi (1,328.84 km) |
| Mayen to Citta di Castello | 530.56 mi (853.85 km) |
| Mayen to Citta Sant'Angelo | 629.94 mi (1,013.78 km) |
| Mayen to Cittadella | 386.22 mi (621.56 km) |
| Mayen to Cittanova | 935.20 mi (1,505.05 km) |
| Mayen to Cividale del Friuli | 408.95 mi (658.14 km) |