| San Lorenzo de El Escorial to Blue Springs (Missouri) | 4,553.51 mi (7,328.17 km) |
| San Lorenzo de El Escorial to Bluffdale (Utah) | 5,235.12 mi (8,425.11 km) |
| San Lorenzo de El Escorial to Bluffton (Indiana) | 4,079.55 mi (6,565.40 km) |
| San Lorenzo de El Escorial to Bluffton (South Carolina) | 4,174.36 mi (6,717.99 km) |
| San Lorenzo de El Escorial to Blythe (California) | 5,665.97 mi (9,118.50 km) |
| San Lorenzo de El Escorial to Blytheville (Arkansas) | 4,470.70 mi (7,194.89 km) |
| San Lorenzo de El Escorial to Boca Raton (Florida) | 4,352.63 mi (7,004.87 km) |
| San Lorenzo de El Escorial to Boerne (Texas) | 5,133.93 mi (8,262.27 km) |
| San Lorenzo de El Escorial to Bogalusa (Louisiana) | 4,668.10 mi (7,512.58 km) |
| San Lorenzo de El Escorial to Boiling Springs (South Carolina) | 4,124.35 mi (6,637.49 km) |
| San Lorenzo de El Escorial to Boise (Idaho) | 5,250.95 mi (8,450.59 km) |
| San Lorenzo de El Escorial to Bolingbrook (Illinois) | 4,180.04 mi (6,727.12 km) |
| San Lorenzo de El Escorial to Bolivar (Missouri) | 4,569.05 mi (7,353.18 km) |
| San Lorenzo de El Escorial to Bon Air (Virginia) | 3,826.73 mi (6,158.53 km) |
| San Lorenzo de El Escorial to Bonham (Texas) | 4,856.08 mi (7,815.11 km) |
