| Helston to Carmignano | 879.56 mi (1,415.51 km) |
| Helston to Carovigno | 1,280.73 mi (2,061.13 km) |
| Helston to Carpenedolo | 797.66 mi (1,283.71 km) |
| Helston to Carpi | 837.16 mi (1,347.28 km) |
| Helston to Carrara | 831.87 mi (1,338.77 km) |
| Helston to Carugate | 745.16 mi (1,199.21 km) |
| Helston to Casal di Principe | 1,123.88 mi (1,808.71 km) |
| Helston to Casale Monferrato | 724.08 mi (1,165.30 km) |
| Helston to Casale sul Sile | 870.85 mi (1,401.50 km) |
| Helston to Casalecchio di Reno | 864.84 mi (1,391.82 km) |
| Helston to Casalgrande | 838.30 mi (1,349.11 km) |
| Helston to Casalmaggiore | 810.29 mi (1,304.03 km) |
| Helston to Casalnuovo di Napoli | 1,136.96 mi (1,829.77 km) |
| Helston to Casalpusterlengo | 771.54 mi (1,241.68 km) |
| Helston to Casaluce | 1,127.27 mi (1,814.17 km) |
