| Castellana Grotte to Calafell | 812.02 mi (1,306.82 km) |
| Castellana Grotte to Calahorra | 991.43 mi (1,595.56 km) |
| Castellana Grotte to Calasparra | 1,019.52 mi (1,640.76 km) |
| Castellana Grotte to Calatayud | 977.21 mi (1,572.67 km) |
| Castellana Grotte to Caldas de Montbuy | 779.80 mi (1,254.97 km) |
| Castellana Grotte to Caldas de Reyes | 1,330.44 mi (2,141.14 km) |
| Castellana Grotte to Calella | 754.17 mi (1,213.72 km) |
| Castellana Grotte to Callosa de Segura | 978.95 mi (1,575.47 km) |
| Castellana Grotte to Calpe | 920.90 mi (1,482.05 km) |
| Castellana Grotte to Calvia | 777.84 mi (1,251.82 km) |
| Castellana Grotte to Camas | 1,262.36 mi (2,031.57 km) |
| Castellana Grotte to Cambados | 1,339.13 mi (2,155.12 km) |
| Castellana Grotte to Cambre | 1,312.89 mi (2,112.89 km) |
| Castellana Grotte to Cambrils | 839.29 mi (1,350.71 km) |
| Castellana Grotte to Campo de Criptana | 1,073.81 mi (1,728.13 km) |
