| Blue Island to Carmona | 4,207.65 mi (6,771.56 km) |
| Blue Island to Cartagena | 4,416.41 mi (7,107.52 km) |
| Blue Island to Cartama | 4,282.29 mi (6,891.69 km) |
| Blue Island to Cartaya | 4,143.64 mi (6,668.54 km) |
| Blue Island to Caspe | 4,320.92 mi (6,953.85 km) |
| Blue Island to Cassa de la Selva | 4,421.79 mi (7,116.18 km) |
| Blue Island to Castalla | 4,392.25 mi (7,068.65 km) |
| Blue Island to Castellbisbal | 4,399.27 mi (7,079.95 km) |
| Blue Island to Castelldefels | 4,406.55 mi (7,091.66 km) |
| Blue Island to Castello de Ampurias | 4,416.18 mi (7,107.16 km) |
| Blue Island to Castellon de la Plana | 4,367.96 mi (7,029.56 km) |
| Blue Island to Castilleja de la Cuesta | 4,191.33 mi (6,745.30 km) |
| Blue Island to Catarroja | 4,373.48 mi (7,038.44 km) |
| Blue Island to Catral | 4,402.94 mi (7,085.84 km) |
| Blue Island to Caudete | 4,373.87 mi (7,039.06 km) |
