| Middle Island to Solofra | 4,370.63 mi (7,033.85 km) |
| Middle Island to Somma Lombardo | 3,936.29 mi (6,334.85 km) |
| Middle Island to Somma Vesuviana | 4,350.91 mi (7,002.11 km) |
| Middle Island to Sommacampagna | 4,037.63 mi (6,497.93 km) |
| Middle Island to Sona | 4,035.83 mi (6,495.04 km) |
| Middle Island to Sondrio | 3,971.13 mi (6,390.91 km) |
| Middle Island to Sora | 4,284.06 mi (6,894.52 km) |
| Middle Island to Sorbolo | 4,038.43 mi (6,499.22 km) |
| Middle Island to Soresina | 3,998.67 mi (6,435.24 km) |
| Middle Island to Sorisole | 3,975.67 mi (6,398.23 km) |
| Middle Island to Sorrento | 4,357.08 mi (7,012.04 km) |
| Middle Island to Sorso | 4,090.27 mi (6,582.66 km) |
| Middle Island to Sortino | 4,516.93 mi (7,269.30 km) |
| Middle Island to Soverato Marina | 4,527.31 mi (7,286.00 km) |
| Middle Island to Sovicille | 4,124.60 mi (6,637.91 km) |
