| Boone to Solofra | 4,941.49 mi (7,952.55 km) |
| Boone to Somma Lombardo | 4,506.53 mi (7,252.56 km) |
| Boone to Somma Vesuviana | 4,921.77 mi (7,920.83 km) |
| Boone to Sommacampagna | 4,607.60 mi (7,415.22 km) |
| Boone to Sona | 4,605.79 mi (7,412.30 km) |
| Boone to Sondrio | 4,540.86 mi (7,307.80 km) |
| Boone to Sora | 4,854.88 mi (7,813.17 km) |
| Boone to Sorbolo | 4,608.75 mi (7,417.07 km) |
| Boone to Soresina | 4,568.90 mi (7,352.93 km) |
| Boone to Sorisole | 4,545.71 mi (7,315.61 km) |
| Boone to Sorrento | 4,927.95 mi (7,930.77 km) |
| Boone to Sorso | 4,660.72 mi (7,500.71 km) |
| Boone to Sortino | 5,087.16 mi (8,186.99 km) |
| Boone to Soverato Marina | 5,098.15 mi (8,204.68 km) |
| Boone to Sovicille | 4,695.33 mi (7,556.41 km) |
