| Hercules to Cadiz | 5,863.86 mi (9,436.98 km) |
| Hercules to Calafell | 5,918.96 mi (9,525.65 km) |
| Hercules to Calahorra | 5,740.34 mi (9,238.19 km) |
| Hercules to Calasparra | 5,955.43 mi (9,584.34 km) |
| Hercules to Calatayud | 5,799.98 mi (9,334.17 km) |
| Hercules to Caldas de Montbuy | 5,916.64 mi (9,521.91 km) |
| Hercules to Caldas de Reyes | 5,484.01 mi (8,825.66 km) |
| Hercules to Calella | 5,934.14 mi (9,550.08 km) |
| Hercules to Callosa de Segura | 5,991.09 mi (9,641.73 km) |
| Hercules to Calpe | 5,997.85 mi (9,652.61 km) |
| Hercules to Calvia | 6,036.72 mi (9,715.17 km) |
| Hercules to Camas | 5,832.10 mi (9,385.85 km) |
| Hercules to Cambados | 5,482.78 mi (8,823.68 km) |
| Hercules to Cambre | 5,463.43 mi (8,792.54 km) |
| Hercules to Cambrils | 5,908.32 mi (9,508.53 km) |
