| Mount Prospect to Sestu | 4,785.82 mi (7,702.03 km) |
| Mount Prospect to Settimo Torinese | 4,490.36 mi (7,226.53 km) |
| Mount Prospect to Seveso | 4,523.85 mi (7,280.44 km) |
| Mount Prospect to Sezze | 4,854.31 mi (7,812.26 km) |
| Mount Prospect to Siano | 4,950.23 mi (7,966.63 km) |
| Mount Prospect to Siena | 4,706.78 mi (7,574.83 km) |
| Mount Prospect to Signa | 4,677.96 mi (7,528.45 km) |
| Mount Prospect to Silea | 4,645.63 mi (7,476.42 km) |
| Mount Prospect to Silvi Paese | 4,849.94 mi (7,805.23 km) |
| Mount Prospect to Sinalunga | 4,727.04 mi (7,607.44 km) |
| Mount Prospect to Siniscola | 4,756.88 mi (7,655.46 km) |
| Mount Prospect to Sinnai | 4,790.37 mi (7,709.35 km) |
| Mount Prospect to Siracusa | 5,143.00 mi (8,276.87 km) |
| Mount Prospect to Solaro | 4,522.91 mi (7,278.92 km) |
| Mount Prospect to Soliera | 4,631.00 mi (7,452.88 km) |
