| San Lorenzo de El Escorial to Caguas (Puerto Rico) | 3,944.51 mi (6,348.08 km) |
| San Lorenzo de El Escorial to Cahokia (Illinois) | 4,385.29 mi (7,057.44 km) |
| San Lorenzo de El Escorial to Calabasas (California) | 5,804.92 mi (9,342.11 km) |
| San Lorenzo de El Escorial to Caldwell (Idaho) | 5,264.33 mi (8,472.12 km) |
| San Lorenzo de El Escorial to Caledonia (Wisconsin) | 4,132.28 mi (6,650.26 km) |
| San Lorenzo de El Escorial to Calera (Alabama) | 4,425.95 mi (7,122.89 km) |
| San Lorenzo de El Escorial to Calexico (California) | 5,747.41 mi (9,249.56 km) |
| San Lorenzo de El Escorial to Calhoun (Georgia) | 4,287.78 mi (6,900.52 km) |
| San Lorenzo de El Escorial to California (Maryland) | 3,749.89 mi (6,034.87 km) |
| San Lorenzo de El Escorial to California City (California) | 5,722.81 mi (9,209.98 km) |
| San Lorenzo de El Escorial to Callaway (Florida) | 4,481.91 mi (7,212.93 km) |
| San Lorenzo de El Escorial to Calumet City (Illinois) | 4,157.93 mi (6,691.54 km) |
| San Lorenzo de El Escorial to Calverton (Maryland) | 3,748.05 mi (6,031.90 km) |
| San Lorenzo de El Escorial to Camano (Washington) | 5,239.58 mi (8,432.30 km) |
| San Lorenzo de El Escorial to Camarillo (California) | 5,815.06 mi (9,358.43 km) |
