| Holyhead to Busto Arsizio | 803.59 mi (1,293.26 km) |
| Holyhead to Busto Garolfo | 807.97 mi (1,300.30 km) |
| Holyhead to Cabras | 1,111.67 mi (1,789.06 km) |
| Holyhead to Cadelbosco di Sopra | 904.67 mi (1,455.92 km) |
| Holyhead to Cadoneghe | 918.44 mi (1,478.08 km) |
| Holyhead to Cagli | 1,035.62 mi (1,666.67 km) |
| Holyhead to Cagliari | 1,169.24 mi (1,881.70 km) |
| Holyhead to Cairo Montenotte | 847.69 mi (1,364.22 km) |
| Holyhead to Caivano | 1,226.21 mi (1,973.40 km) |
| Holyhead to Calcinaia | 960.56 mi (1,545.87 km) |
| Holyhead to Calcinato | 864.40 mi (1,391.11 km) |
| Holyhead to Calderara di Reno | 937.38 mi (1,508.57 km) |
| Holyhead to Caldogno | 895.74 mi (1,441.55 km) |
| Holyhead to Calenzano | 969.25 mi (1,559.86 km) |
| Holyhead to Calolziocorte | 814.01 mi (1,310.02 km) |
