| Alliance to Carmona | 3,919.14 mi (6,307.24 km) |
| Alliance to Cartagena | 4,135.83 mi (6,655.97 km) |
| Alliance to Cartama | 3,992.88 mi (6,425.92 km) |
| Alliance to Cartaya | 3,852.20 mi (6,199.52 km) |
| Alliance to Caspe | 4,054.85 mi (6,525.66 km) |
| Alliance to Cassa de la Selva | 4,163.24 mi (6,700.09 km) |
| Alliance to Castalla | 4,115.59 mi (6,623.40 km) |
| Alliance to Castellbisbal | 4,137.59 mi (6,658.81 km) |
| Alliance to Castelldefels | 4,144.12 mi (6,669.31 km) |
| Alliance to Castello de Ampurias | 4,159.40 mi (6,693.92 km) |
| Alliance to Castellon de la Plana | 4,097.29 mi (6,593.94 km) |
| Alliance to Castilleja de la Cuesta | 3,901.90 mi (6,279.51 km) |
| Alliance to Catarroja | 4,100.09 mi (6,598.46 km) |
| Alliance to Catral | 4,124.54 mi (6,637.81 km) |
| Alliance to Caudete | 4,097.04 mi (6,593.56 km) |
