| Helston to Carpentras | 639.39 mi (1,029.00 km) |
| Helston to Carquefou | 259.13 mi (417.02 km) |
| Helston to Carqueiranne | 722.64 mi (1,162.97 km) |
| Helston to Carrieres-sous-Poissy | 337.17 mi (542.62 km) |
| Helston to Carrieres-sur-Seine | 348.79 mi (561.33 km) |
| Helston to Carros | 731.15 mi (1,176.67 km) |
| Helston to Carvin | 364.00 mi (585.80 km) |
| Helston to Castanet-Tolosan | 555.74 mi (894.38 km) |
| Helston to Castelginest | 543.65 mi (874.91 km) |
| Helston to Castelnau-le-Lez | 621.31 mi (999.91 km) |
| Helston to Castelnaudary | 579.68 mi (932.90 km) |
| Helston to Castelsarrasin | 514.73 mi (828.38 km) |
| Helston to Castres | 572.08 mi (920.67 km) |
| Helston to Caudebec-les-Elbeuf | 286.74 mi (461.47 km) |
| Helston to Caudry | 384.46 mi (618.73 km) |
