| Mason City to Sceaux | 4,288.57 mi (6,901.78 km) |
| Mason City to Schiltigheim | 4,496.27 mi (7,236.05 km) |
| Mason City to Scionzier | 4,560.36 mi (7,339.19 km) |
| Mason City to Seclin | 4,246.47 mi (6,834.03 km) |
| Mason City to Sedan | 4,349.34 mi (6,999.59 km) |
| Mason City to Selestat | 4,500.31 mi (7,242.55 km) |
| Mason City to Sene | 4,140.05 mi (6,662.76 km) |
| Mason City to Senlis | 4,282.74 mi (6,892.41 km) |
| Mason City to Sens | 4,349.01 mi (6,999.06 km) |
| Mason City to Septemes-les-Vallons | 4,628.41 mi (7,448.71 km) |
| Mason City to Serris | 4,304.00 mi (6,926.62 km) |
| Mason City to Sete | 4,562.10 mi (7,341.99 km) |
| Mason City to Sevran | 4,291.54 mi (6,906.56 km) |
| Mason City to Sevres | 4,283.83 mi (6,894.16 km) |
| Mason City to Seynod | 4,550.34 mi (7,323.07 km) |
