| Boone to Santa Ursula | 3,773.28 mi (6,072.50 km) |
| Boone to Santander | 4,009.30 mi (6,452.35 km) |
| Boone to Santany | 4,453.47 mi (7,167.17 km) |
| Boone to Santiago de Compostela | 3,799.85 mi (6,115.26 km) |
| Boone to Santiago del Teide | 3,759.59 mi (6,050.47 km) |
| Boone to Santiponce | 4,062.00 mi (6,537.15 km) |
| Boone to Santomera | 4,291.40 mi (6,906.34 km) |
| Boone to Santona | 4,026.05 mi (6,479.29 km) |
| Boone to Santurce-Antiguo | 4,048.76 mi (6,515.85 km) |
| Boone to Sarria | 3,855.82 mi (6,205.34 km) |
| Boone to Sauzal | 3,774.68 mi (6,074.75 km) |
| Boone to Sedavi | 4,282.96 mi (6,892.76 km) |
| Boone to Segorbe | 4,265.39 mi (6,864.49 km) |
| Boone to Segovia | 4,060.19 mi (6,534.24 km) |
| Boone to Senmanat | 4,337.65 mi (6,980.78 km) |
