| Rio Grande City to Sestu | 5,948.21 mi (9,572.71 km) |
| Rio Grande City to Settimo Torinese | 5,684.35 mi (9,148.08 km) |
| Rio Grande City to Seveso | 5,723.91 mi (9,211.74 km) |
| Rio Grande City to Sezze | 6,042.99 mi (9,725.26 km) |
| Rio Grande City to Siano | 6,140.11 mi (9,881.56 km) |
| Rio Grande City to Siena | 5,900.25 mi (9,495.54 km) |
| Rio Grande City to Signa | 5,873.26 mi (9,452.10 km) |
| Rio Grande City to Silea | 5,853.08 mi (9,419.62 km) |
| Rio Grande City to Silvi Paese | 6,047.09 mi (9,731.85 km) |
| Rio Grande City to Sinalunga | 5,921.07 mi (9,529.04 km) |
| Rio Grande City to Siniscola | 5,929.56 mi (9,542.71 km) |
| Rio Grande City to Sinnai | 5,953.17 mi (9,580.71 km) |
| Rio Grande City to Siracusa | 6,314.00 mi (10,161.40 km) |
| Rio Grande City to Solaro | 5,722.69 mi (9,209.78 km) |
| Rio Grande City to Soliera | 5,830.78 mi (9,383.73 km) |
