| Seaside to Carmona | 5,894.36 mi (9,486.06 km) |
| Seaside to Cartagena | 6,067.87 mi (9,765.29 km) |
| Seaside to Cartama | 5,970.37 mi (9,608.37 km) |
| Seaside to Cartaya | 5,842.46 mi (9,402.52 km) |
| Seaside to Caspe | 5,920.18 mi (9,527.61 km) |
| Seaside to Cassa de la Selva | 5,987.76 mi (9,636.37 km) |
| Seaside to Castalla | 6,029.58 mi (9,703.67 km) |
| Seaside to Castellbisbal | 5,978.47 mi (9,621.42 km) |
| Seaside to Castelldefels | 5,988.39 mi (9,637.39 km) |
| Seaside to Castello de Ampurias | 5,975.41 mi (9,616.49 km) |
| Seaside to Castellon de la Plana | 5,983.22 mi (9,629.06 km) |
| Seaside to Castilleja de la Cuesta | 5,881.78 mi (9,465.81 km) |
| Seaside to Catarroja | 5,998.92 mi (9,654.33 km) |
| Seaside to Catral | 6,046.50 mi (9,730.91 km) |
| Seaside to Caudete | 6,012.39 mi (9,676.01 km) |
