| West Chicago to Solofra | 4,973.86 mi (8,004.65 km) |
| West Chicago to Somma Lombardo | 4,523.90 mi (7,280.51 km) |
| West Chicago to Somma Vesuviana | 4,955.62 mi (7,975.31 km) |
| West Chicago to Sommacampagna | 4,619.33 mi (7,434.09 km) |
| West Chicago to Sona | 4,617.30 mi (7,430.82 km) |
| West Chicago to Sondrio | 4,549.73 mi (7,322.08 km) |
| West Chicago to Sora | 4,885.58 mi (7,862.58 km) |
| West Chicago to Sorbolo | 4,626.66 mi (7,445.89 km) |
| West Chicago to Soresina | 4,585.34 mi (7,379.39 km) |
| West Chicago to Sorisole | 4,559.06 mi (7,337.10 km) |
| West Chicago to Sorrento | 4,963.99 mi (7,988.76 km) |
| West Chicago to Sorso | 4,719.77 mi (7,595.74 km) |
| West Chicago to Sortino | 5,146.83 mi (8,283.02 km) |
| West Chicago to Soverato Marina | 5,139.44 mi (8,271.13 km) |
| West Chicago to Sovicille | 4,723.17 mi (7,601.20 km) |
