| Boadilla del Monte to Santander | 211.17 mi (339.85 km) |
| Boadilla del Monte to Santany | 378.27 mi (608.77 km) |
| Boadilla del Monte to Santiago de Compostela | 295.35 mi (475.32 km) |
| Boadilla del Monte to Santiago del Teide | 1,113.29 mi (1,791.67 km) |
| Boadilla del Monte to Santiponce | 236.08 mi (379.93 km) |
| Boadilla del Monte to Santomera | 221.62 mi (356.66 km) |
| Boadilla del Monte to Santona | 210.76 mi (339.18 km) |
| Boadilla del Monte to Santurce-Antiguo | 206.59 mi (332.48 km) |
| Boadilla del Monte to Sarria | 245.82 mi (395.62 km) |
| Boadilla del Monte to Sauzal | 1,089.13 mi (1,752.79 km) |
| Boadilla del Monte to Sedavi | 196.93 mi (316.93 km) |
| Boadilla del Monte to Segorbe | 182.90 mi (294.34 km) |
| Boadilla del Monte to Segovia | 39.51 mi (63.58 km) |
| Boadilla del Monte to Senmanat | 324.13 mi (521.64 km) |
| Boadilla del Monte to Sesena | 22.94 mi (36.92 km) |
