| Alliance to Cehegin | 4,080.17 mi (6,566.40 km) |
| Alliance to Cervello | 4,139.31 mi (6,661.58 km) |
| Alliance to Cervera | 4,099.18 mi (6,596.99 km) |
| Alliance to Ceuti | 4,105.42 mi (6,607.04 km) |
| Alliance to Cheste | 4,084.49 mi (6,573.35 km) |
| Alliance to Chiclana de la Frontera | 3,929.56 mi (6,324.02 km) |
| Alliance to Chipiona | 3,905.16 mi (6,284.75 km) |
| Alliance to Chiva | 4,083.14 mi (6,571.17 km) |
| Alliance to Churriana de la Vega | 4,024.84 mi (6,477.36 km) |
| Alliance to Ciempozuelos | 3,925.53 mi (6,317.53 km) |
| Alliance to Cieza | 4,092.97 mi (6,586.99 km) |
| Alliance to Cisterniga | 3,829.68 mi (6,163.27 km) |
| Alliance to Ciudad de Melilla | 4,123.97 mi (6,636.89 km) |
| Alliance to Ciudad Real | 3,950.25 mi (6,357.31 km) |
| Alliance to Ciudad-Rodrigo | 3,775.15 mi (6,075.52 km) |
