| San Juan to Cocentaina | 4,131.77 mi (6,649.44 km) |
| San Juan to Coin | 3,894.64 mi (6,267.82 km) |
| San Juan to Colindres | 3,988.30 mi (6,418.54 km) |
| San Juan to Collado-Villalba | 3,945.95 mi (6,350.39 km) |
| San Juan to Colmenar Viejo | 3,958.74 mi (6,370.98 km) |
| San Juan to Colmenarejo | 3,945.20 mi (6,349.19 km) |
| San Juan to Conil de la Frontera | 3,819.83 mi (6,147.42 km) |
| San Juan to Consuegra | 3,963.07 mi (6,377.95 km) |
| San Juan to Corbera de Llobregat | 4,256.94 mi (6,850.89 km) |
| San Juan to Cordoba | 3,895.53 mi (6,269.25 km) |
| San Juan to Coria del Rio | 3,824.34 mi (6,154.69 km) |
| San Juan to Crevillente | 4,111.91 mi (6,617.48 km) |
| San Juan to Cuarte de Huerva | 4,109.77 mi (6,614.03 km) |
| San Juan to Cubellas | 4,243.58 mi (6,829.38 km) |
| San Juan to Cuellar | 3,933.56 mi (6,330.45 km) |
