| Helston to Cadiz | 938.65 mi (1,510.61 km) |
| Helston to Calafell | 697.31 mi (1,122.22 km) |
| Helston to Calahorra | 561.45 mi (903.57 km) |
| Helston to Calasparra | 838.71 mi (1,349.77 km) |
| Helston to Calatayud | 629.30 mi (1,012.76 km) |
| Helston to Caldas de Montbuy | 685.00 mi (1,102.41 km) |
| Helston to Caldas de Reyes | 542.19 mi (872.57 km) |
| Helston to Calella | 698.62 mi (1,124.32 km) |
| Helston to Callosa de Segura | 855.35 mi (1,376.55 km) |
| Helston to Calpe | 833.30 mi (1,341.06 km) |
| Helston to Calvia | 820.49 mi (1,320.44 km) |
| Helston to Camas | 878.16 mi (1,413.26 km) |
| Helston to Cambados | 551.32 mi (887.26 km) |
| Helston to Cambre | 492.76 mi (793.02 km) |
| Helston to Cambrils | 694.45 mi (1,117.61 km) |
