| Prospect Heights to Solofra | 4,952.90 mi (7,970.92 km) |
| Prospect Heights to Somma Lombardo | 4,502.91 mi (7,246.74 km) |
| Prospect Heights to Somma Vesuviana | 4,934.67 mi (7,941.59 km) |
| Prospect Heights to Sommacampagna | 4,598.33 mi (7,400.30 km) |
| Prospect Heights to Sona | 4,596.30 mi (7,397.03 km) |
| Prospect Heights to Sondrio | 4,528.73 mi (7,288.29 km) |
| Prospect Heights to Sora | 4,864.62 mi (7,828.85 km) |
| Prospect Heights to Sorbolo | 4,605.68 mi (7,412.12 km) |
| Prospect Heights to Soresina | 4,564.35 mi (7,345.62 km) |
| Prospect Heights to Sorisole | 4,538.07 mi (7,303.32 km) |
| Prospect Heights to Sorrento | 4,943.04 mi (7,955.05 km) |
| Prospect Heights to Sorso | 4,698.93 mi (7,562.20 km) |
| Prospect Heights to Sortino | 5,125.97 mi (8,249.45 km) |
| Prospect Heights to Soverato Marina | 5,118.51 mi (8,237.44 km) |
| Prospect Heights to Sovicille | 4,702.20 mi (7,567.46 km) |
