| Hard to Cervello | 567.48 mi (913.27 km) |
| Hard to Cervera | 576.93 mi (928.48 km) |
| Hard to Ceuti | 853.72 mi (1,373.92 km) |
| Hard to Cheste | 758.13 mi (1,220.09 km) |
| Hard to Chiclana de la Frontera | 1,113.01 mi (1,791.22 km) |
| Hard to Chipiona | 1,107.38 mi (1,782.16 km) |
| Hard to Chiva | 759.77 mi (1,222.74 km) |
| Hard to Churriana de la Vega | 984.59 mi (1,584.55 km) |
| Hard to Ciempozuelos | 832.70 mi (1,340.10 km) |
| Hard to Cieza | 849.73 mi (1,367.51 km) |
| Hard to Cisterniga | 813.91 mi (1,309.85 km) |
| Hard to Ciudad de Melilla | 1,065.04 mi (1,714.02 km) |
| Hard to Ciudad Real | 900.18 mi (1,448.70 km) |
| Hard to Ciudad-Rodrigo | 933.47 mi (1,502.28 km) |
| Hard to Cocentaina | 789.88 mi (1,271.19 km) |
