| Glen Ellyn to Solofra | 4,968.66 mi (7,996.29 km) |
| Glen Ellyn to Somma Lombardo | 4,518.84 mi (7,272.37 km) |
| Glen Ellyn to Somma Vesuviana | 4,950.41 mi (7,966.91 km) |
| Glen Ellyn to Sommacampagna | 4,614.36 mi (7,426.09 km) |
| Glen Ellyn to Sona | 4,612.33 mi (7,422.83 km) |
| Glen Ellyn to Sondrio | 4,544.79 mi (7,314.13 km) |
| Glen Ellyn to Sora | 4,880.39 mi (7,854.23 km) |
| Glen Ellyn to Sorbolo | 4,621.61 mi (7,437.76 km) |
| Glen Ellyn to Soresina | 4,580.30 mi (7,371.29 km) |
| Glen Ellyn to Sorisole | 4,554.06 mi (7,329.05 km) |
| Glen Ellyn to Sorrento | 4,958.74 mi (7,980.32 km) |
| Glen Ellyn to Sorso | 4,714.20 mi (7,586.78 km) |
| Glen Ellyn to Sortino | 5,141.30 mi (8,274.13 km) |
| Glen Ellyn to Soverato Marina | 5,134.15 mi (8,262.62 km) |
| Glen Ellyn to Sovicille | 4,718.00 mi (7,592.88 km) |
