| Mason City to Santa Rosa (California) | 1,568.61 mi (2,524.43 km) |
| Mason City to Santaquin (Utah) | 983.86 mi (1,583.38 km) |
| Mason City to Santee (California) | 1,469.96 mi (2,365.67 km) |
| Mason City to Sapulpa (Oklahoma) | 516.82 mi (831.75 km) |
| Mason City to Saraland (Alabama) | 894.80 mi (1,440.04 km) |
| Mason City to Sarasota (Florida) | 1,244.49 mi (2,002.82 km) |
| Mason City to Sarasota Springs (Florida) | 1,248.20 mi (2,008.78 km) |
| Mason City to Saratoga (California) | 1,565.82 mi (2,519.95 km) |
| Mason City to Saratoga Springs (New York) | 977.52 mi (1,573.17 km) |
| Mason City to Saratoga Springs (Utah) | 981.86 mi (1,580.15 km) |
| Mason City to Sartell (Minnesota) | 177.95 mi (286.39 km) |
| Mason City to Satellite Beach (Florida) | 1,249.82 mi (2,011.39 km) |
| Mason City to Sauk Rapids (Minnesota) | 175.67 mi (282.71 km) |
| Mason City to Sault Ste. Marie (Michigan) | 489.73 mi (788.15 km) |
| Mason City to Savage (Minnesota) | 111.25 mi (179.04 km) |
