| Holyhead to Castrovillari | 1,350.22 mi (2,172.97 km) |
| Holyhead to Catania | 1,442.26 mi (2,321.09 km) |
| Holyhead to Catanzaro | 1,412.95 mi (2,273.93 km) |
| Holyhead to Cattolica | 1,017.77 mi (1,637.95 km) |
| Holyhead to Cava de' Tirreni | 1,252.84 mi (2,016.25 km) |
| Holyhead to Cavallino | 1,393.30 mi (2,242.30 km) |
| Holyhead to Cavarzere | 938.38 mi (1,510.17 km) |
| Holyhead to Cave | 1,134.92 mi (1,826.48 km) |
| Holyhead to Cavriago | 905.74 mi (1,457.64 km) |
| Holyhead to Cavriglia | 997.81 mi (1,605.83 km) |
| Holyhead to Cazzago San Martino | 844.97 mi (1,359.85 km) |
| Holyhead to Ceccano | 1,161.39 mi (1,869.07 km) |
| Holyhead to Cecina | 976.64 mi (1,571.75 km) |
| Holyhead to Cefalu | 1,378.80 mi (2,218.96 km) |
| Holyhead to Ceglie Messapico | 1,351.52 mi (2,175.06 km) |
