| San Lorenzo de El Escorial to Clarkston (Georgia) | 4,278.79 mi (6,886.04 km) |
| San Lorenzo de El Escorial to Clarksville (Indiana) | 4,190.00 mi (6,743.16 km) |
| San Lorenzo de El Escorial to Clarksville (Tennessee) | 4,326.57 mi (6,962.94 km) |
| San Lorenzo de El Escorial to Clawson (Michigan) | 3,929.08 mi (6,323.24 km) |
| San Lorenzo de El Escorial to Clay (Alabama) | 4,397.95 mi (7,077.81 km) |
| San Lorenzo de El Escorial to Clayton (California) | 5,738.65 mi (9,235.47 km) |
| San Lorenzo de El Escorial to Clayton (Missouri) | 4,389.27 mi (7,063.85 km) |
| San Lorenzo de El Escorial to Clayton (North Carolina) | 3,930.92 mi (6,326.21 km) |
| San Lorenzo de El Escorial to Clayton (Ohio) | 4,069.99 mi (6,550.01 km) |
| San Lorenzo de El Escorial to Clearfield (Utah) | 5,209.56 mi (8,383.98 km) |
| San Lorenzo de El Escorial to Clearlake (California) | 5,712.39 mi (9,193.20 km) |
| San Lorenzo de El Escorial to Clearwater (Florida) | 4,425.40 mi (7,121.99 km) |
| San Lorenzo de El Escorial to Cleburne (Texas) | 4,963.84 mi (7,988.54 km) |
| San Lorenzo de El Escorial to Clemmons (North Carolina) | 4,012.70 mi (6,457.82 km) |
| San Lorenzo de El Escorial to Clemson (South Carolina) | 4,177.76 mi (6,723.45 km) |
