| Mason City to Sentrupert | 4,875.94 mi (7,847.07 km) |
| Mason City to Sevnica | 4,881.98 mi (7,856.78 km) |
| Mason City to Sezana | 4,845.38 mi (7,797.88 km) |
| Mason City to Skocjan | 4,886.34 mi (7,863.80 km) |
| Mason City to Skofja Loka | 4,839.25 mi (7,788.02 km) |
| Mason City to Skofljica | 4,857.47 mi (7,817.34 km) |
| Mason City to Slovenj Gradec | 4,850.64 mi (7,806.35 km) |
| Mason City to Slovenska Bistrica | 4,873.56 mi (7,843.24 km) |
| Mason City to Slovenske Konjice | 4,870.70 mi (7,838.64 km) |
| Mason City to Smarje | 4,879.20 mi (7,852.32 km) |
| Mason City to Smarjeske Toplice | 4,885.97 mi (7,863.21 km) |
| Mason City to Smartno | 4,864.21 mi (7,828.20 km) |
| Mason City to Smartno | 4,857.41 mi (7,817.24 km) |
| Mason City to Sodrazica | 4,869.97 mi (7,837.46 km) |
| Mason City to Solcava | 4,841.21 mi (7,791.18 km) |
