| Mason City to Stanmore | 4,084.57 mi (6,573.48 km) |
| Mason City to Stannington | 3,977.16 mi (6,400.63 km) |
| Mason City to Stansted Mountfitchet | 4,092.90 mi (6,586.88 km) |
| Mason City to Stanwell | 4,084.70 mi (6,573.68 km) |
| Mason City to Stapleford | 4,002.86 mi (6,441.99 km) |
| Mason City to Staveley | 3,988.26 mi (6,418.49 km) |
| Mason City to Stepney | 4,098.09 mi (6,595.23 km) |
| Mason City to Stevenage | 4,078.29 mi (6,563.38 km) |
| Mason City to Stevenston | 3,789.42 mi (6,098.49 km) |
| Mason City to Stirling | 3,802.99 mi (6,120.33 km) |
| Mason City to Stockport | 3,954.86 mi (6,364.74 km) |
| Mason City to Stocksbridge | 3,972.47 mi (6,393.07 km) |
| Mason City to Stockton-on-Tees | 3,944.26 mi (6,347.67 km) |
| Mason City to Stoke Gifford | 4,006.18 mi (6,447.32 km) |
| Mason City to Stoke-on-Trent | 3,967.73 mi (6,385.44 km) |
