| Boadilla del Monte to Southern Pines (North Carolina) | 4,011.30 mi (6,455.57 km) |
| Boadilla del Monte to Southfield (Michigan) | 3,954.63 mi (6,364.36 km) |
| Boadilla del Monte to Southgate (Michigan) | 3,960.72 mi (6,374.16 km) |
| Boadilla del Monte to Southlake (Texas) | 4,945.18 mi (7,958.50 km) |
| Boadilla del Monte to Spanaway (Washington) | 5,311.44 mi (8,547.94 km) |
| Boadilla del Monte to Spanish Fork (Utah) | 5,259.25 mi (8,463.94 km) |
| Boadilla del Monte to Spanish Lake (Missouri) | 4,396.99 mi (7,076.28 km) |
| Boadilla del Monte to Spanish Springs (Nevada) | 5,587.94 mi (8,992.91 km) |
| Boadilla del Monte to Sparks (Nevada) | 5,593.80 mi (9,002.35 km) |
| Boadilla del Monte to Spartanburg (South Carolina) | 4,143.21 mi (6,667.86 km) |
| Boadilla del Monte to Spearfish (South Dakota) | 4,758.42 mi (7,657.93 km) |
| Boadilla del Monte to Speedway (Indiana) | 4,179.69 mi (6,726.56 km) |
| Boadilla del Monte to Spencer (Iowa) | 4,454.82 mi (7,169.34 km) |
| Boadilla del Monte to Spokane (Washington) | 5,118.68 mi (8,237.72 km) |
| Boadilla del Monte to Spokane Valley (Washington) | 5,112.19 mi (8,227.27 km) |
