| Holyhead to Cassina de' Pecchi | 825.63 mi (1,328.73 km) |
| Holyhead to Cassino | 1,181.49 mi (1,901.42 km) |
| Holyhead to Castagneto Carducci | 987.29 mi (1,588.90 km) |
| Holyhead to Castano Primo | 803.86 mi (1,293.69 km) |
| Holyhead to Castel Bolognese | 968.11 mi (1,558.03 km) |
| Holyhead to Castel Gandolfo | 1,129.45 mi (1,817.68 km) |
| Holyhead to Castel Goffredo | 874.23 mi (1,406.94 km) |
| Holyhead to Castel Maggiore | 940.82 mi (1,514.11 km) |
| Holyhead to Castel Mella | 853.21 mi (1,373.11 km) |
| Holyhead to Castel San Giorgio | 1,248.40 mi (2,009.11 km) |
| Holyhead to Castel San Giovanni | 851.22 mi (1,369.91 km) |
| Holyhead to Castel San Pietro Terme | 956.52 mi (1,539.37 km) |
| Holyhead to Castel Volturno | 1,208.19 mi (1,944.40 km) |
| Holyhead to Castelbuono | 1,387.06 mi (2,232.26 km) |
| Holyhead to Casteldaccia | 1,363.22 mi (2,193.88 km) |
