| South Houston to Sentrupert | 5,637.74 mi (9,073.07 km) |
| South Houston to Sevnica | 5,644.95 mi (9,084.67 km) |
| South Houston to Sezana | 5,599.79 mi (9,012.00 km) |
| South Houston to Skocjan | 5,648.47 mi (9,090.33 km) |
| South Houston to Skofja Loka | 5,599.18 mi (9,011.01 km) |
| South Houston to Skofljica | 5,617.13 mi (9,039.90 km) |
| South Houston to Slovenj Gradec | 5,616.49 mi (9,038.87 km) |
| South Houston to Slovenska Bistrica | 5,640.59 mi (9,077.65 km) |
| South Houston to Slovenske Konjice | 5,636.69 mi (9,071.38 km) |
| South Houston to Smarje | 5,644.76 mi (9,084.36 km) |
| South Houston to Smarjeske Toplice | 5,647.46 mi (9,088.70 km) |
| South Houston to Smartno | 5,625.50 mi (9,053.37 km) |
| South Houston to Smartno | 5,621.68 mi (9,047.22 km) |
| South Houston to Sodrazica | 5,628.15 mi (9,057.64 km) |
| South Houston to Solcava | 5,604.75 mi (9,019.97 km) |
