| Boone to Sestu | 4,735.43 mi (7,620.94 km) |
| Boone to Settimo Torinese | 4,483.59 mi (7,215.64 km) |
| Boone to Seveso | 4,526.55 mi (7,284.77 km) |
| Boone to Sezze | 4,838.37 mi (7,786.61 km) |
| Boone to Siano | 4,935.74 mi (7,943.31 km) |
| Boone to Siena | 4,698.43 mi (7,561.39 km) |
| Boone to Signa | 4,672.52 mi (7,519.69 km) |
| Boone to Silea | 4,660.32 mi (7,500.06 km) |
| Boone to Silvi Paese | 4,846.74 mi (7,800.08 km) |
| Boone to Sinalunga | 4,719.46 mi (7,595.24 km) |
| Boone to Siniscola | 4,719.39 mi (7,595.13 km) |
| Boone to Sinnai | 4,740.48 mi (7,629.06 km) |
| Boone to Siracusa | 5,102.55 mi (8,211.77 km) |
| Boone to Solaro | 4,525.16 mi (7,282.55 km) |
| Boone to Soliera | 4,632.80 mi (7,455.78 km) |
