| Seaford to Carmona | 961.42 mi (1,547.25 km) |
| Seaford to Cartagena | 911.51 mi (1,466.93 km) |
| Seaford to Cartama | 999.11 mi (1,607.92 km) |
| Seaford to Cartaya | 997.84 mi (1,605.87 km) |
| Seaford to Caspe | 658.95 mi (1,060.48 km) |
| Seaford to Cassa de la Selva | 627.59 mi (1,010.01 km) |
| Seaford to Castalla | 841.93 mi (1,354.96 km) |
| Seaford to Castellbisbal | 648.34 mi (1,043.41 km) |
| Seaford to Castelldefels | 661.79 mi (1,065.05 km) |
| Seaford to Castello de Ampurias | 604.74 mi (973.24 km) |
| Seaford to Castellon de la Plana | 745.33 mi (1,199.49 km) |
| Seaford to Castilleja de la Cuesta | 973.15 mi (1,566.13 km) |
| Seaford to Catarroja | 785.78 mi (1,264.59 km) |
| Seaford to Catral | 872.43 mi (1,404.04 km) |
| Seaford to Caudete | 835.34 mi (1,344.34 km) |
