| Helston to Casamassima | 1,239.22 mi (1,994.33 km) |
| Helston to Casandrino | 1,132.25 mi (1,822.18 km) |
| Helston to Casapulla | 1,127.60 mi (1,814.70 km) |
| Helston to Casarano | 1,330.81 mi (2,141.73 km) |
| Helston to Casatenovo | 739.15 mi (1,189.54 km) |
| Helston to Casciana Terme | 875.23 mi (1,408.54 km) |
| Helston to Cascina | 866.06 mi (1,393.78 km) |
| Helston to Caselle Torinese | 689.50 mi (1,109.64 km) |
| Helston to Caserta | 1,129.59 mi (1,817.90 km) |
| Helston to Casier | 867.84 mi (1,396.66 km) |
| Helston to Casorate Primo | 740.27 mi (1,191.35 km) |
| Helston to Casoria | 1,135.73 mi (1,827.78 km) |
| Helston to Cassano al Ionio | 1,266.50 mi (2,038.23 km) |
| Helston to Cassano d'Adda | 753.41 mi (1,212.50 km) |
| Helston to Cassano delle Murge | 1,235.93 mi (1,989.03 km) |
