| Mason City to Sosnowiec | 4,807.46 mi (7,736.86 km) |
| Mason City to Srem | 4,655.29 mi (7,491.96 km) |
| Mason City to Sroda Slaska | 4,685.07 mi (7,539.89 km) |
| Mason City to Sroda Wielkopolska | 4,657.01 mi (7,494.73 km) |
| Mason City to Stalowa Wola | 4,884.79 mi (7,861.31 km) |
| Mason City to Starachowice | 4,830.86 mi (7,774.51 km) |
| Mason City to Stargard Szczecinski | 4,536.75 mi (7,301.19 km) |
| Mason City to Starogard Gdanski | 4,614.62 mi (7,426.51 km) |
| Mason City to Stary Sacz | 4,890.06 mi (7,869.79 km) |
| Mason City to Staszow | 4,857.69 mi (7,817.69 km) |
| Mason City to Strzegom | 4,686.12 mi (7,541.59 km) |
| Mason City to Strzelce Krajenskie | 4,572.53 mi (7,358.78 km) |
| Mason City to Strzelce Opolskie | 4,770.04 mi (7,676.63 km) |
| Mason City to Strzelin | 4,717.68 mi (7,592.38 km) |
| Mason City to Strzyzow | 4,910.31 mi (7,902.38 km) |
