| Holyhead to Chivasso | 793.76 mi (1,277.43 km) |
| Holyhead to Ciampino | 1,124.92 mi (1,810.38 km) |
| Holyhead to Cicciano | 1,233.09 mi (1,984.47 km) |
| Holyhead to Cingoli | 1,064.36 mi (1,712.93 km) |
| Holyhead to Cinisello Balsamo | 818.92 mi (1,317.93 km) |
| Holyhead to Cinisi | 1,343.54 mi (2,162.22 km) |
| Holyhead to Cirie | 782.38 mi (1,259.12 km) |
| Holyhead to Ciro Marina | 1,405.50 mi (2,261.93 km) |
| Holyhead to Cislago | 805.55 mi (1,296.41 km) |
| Holyhead to Cisterna di Latina | 1,143.57 mi (1,840.39 km) |
| Holyhead to Cisternino | 1,344.91 mi (2,164.42 km) |
| Holyhead to Citta di Castello | 1,026.26 mi (1,651.61 km) |
| Holyhead to Citta Sant'Angelo | 1,136.05 mi (1,828.30 km) |
| Holyhead to Cittadella | 903.80 mi (1,454.52 km) |
| Holyhead to Cittanova | 1,426.08 mi (2,295.06 km) |
