| Rio Grande City to Solofra | 6,145.58 mi (9,890.36 km) |
| Rio Grande City to Somma Lombardo | 5,704.33 mi (9,180.24 km) |
| Rio Grande City to Somma Vesuviana | 6,126.29 mi (9,859.31 km) |
| Rio Grande City to Sommacampagna | 5,803.44 mi (9,339.73 km) |
| Rio Grande City to Sona | 5,801.53 mi (9,336.66 km) |
| Rio Grande City to Sondrio | 5,735.35 mi (9,230.15 km) |
| Rio Grande City to Sora | 6,058.25 mi (9,749.80 km) |
| Rio Grande City to Sorbolo | 5,807.02 mi (9,345.49 km) |
| Rio Grande City to Soresina | 5,766.50 mi (9,280.29 km) |
| Rio Grande City to Sorisole | 5,742.04 mi (9,240.92 km) |
| Rio Grande City to Sorrento | 6,133.16 mi (9,870.36 km) |
| Rio Grande City to Sorso | 5,871.41 mi (9,449.12 km) |
| Rio Grande City to Sortino | 6,298.66 mi (10,136.72 km) |
| Rio Grande City to Soverato Marina | 6,305.23 mi (10,147.29 km) |
| Rio Grande City to Sovicille | 5,897.39 mi (9,490.92 km) |
