| Seaford to Cocentaina | 831.26 mi (1,337.79 km) |
| Seaford to Coin | 1,003.53 mi (1,615.02 km) |
| Seaford to Colindres | 535.94 mi (862.51 km) |
| Seaford to Collado-Villalba | 727.60 mi (1,170.95 km) |
| Seaford to Colmenar Viejo | 722.81 mi (1,163.25 km) |
| Seaford to Colmenarejo | 732.56 mi (1,178.94 km) |
| Seaford to Conil de la Frontera | 1,047.95 mi (1,686.51 km) |
| Seaford to Consuegra | 801.67 mi (1,290.16 km) |
| Seaford to Corbera de Llobregat | 652.11 mi (1,049.47 km) |
| Seaford to Cordoba | 921.87 mi (1,483.60 km) |
| Seaford to Coria del Rio | 979.79 mi (1,576.82 km) |
| Seaford to Crevillente | 866.29 mi (1,394.15 km) |
| Seaford to Cuarte de Huerva | 636.58 mi (1,024.48 km) |
| Seaford to Cubellas | 664.80 mi (1,069.88 km) |
| Seaford to Cuellar | 680.70 mi (1,095.48 km) |
