| Mason City to Saint Ives | 4,067.11 mi (6,545.37 km) |
| Mason City to Saint Ives | 3,940.93 mi (6,342.31 km) |
| Mason City to Saint Neots | 4,063.98 mi (6,540.35 km) |
| Mason City to Sale | 3,948.16 mi (6,353.94 km) |
| Mason City to Salford | 3,947.17 mi (6,352.35 km) |
| Mason City to Salisbury | 4,050.15 mi (6,518.09 km) |
| Mason City to Saltash | 3,982.59 mi (6,409.37 km) |
| Mason City to Saltcoats | 3,788.63 mi (6,097.21 km) |
| Mason City to Sandbach | 3,956.08 mi (6,366.70 km) |
| Mason City to Sanderstead | 4,103.38 mi (6,603.75 km) |
| Mason City to Sandhurst | 4,076.60 mi (6,560.65 km) |
| Mason City to Sandiacre | 4,002.47 mi (6,441.35 km) |
| Mason City to Sandown | 4,088.79 mi (6,580.28 km) |
| Mason City to Sandridge | 4,079.00 mi (6,564.52 km) |
| Mason City to Sandy | 4,066.52 mi (6,544.44 km) |
