| Mason City to Saarijarvi | 4,378.02 mi (7,045.75 km) |
| Mason City to Salo | 4,438.20 mi (7,142.59 km) |
| Mason City to Sastamala | 4,387.69 mi (7,061.31 km) |
| Mason City to Savonlinna | 4,500.87 mi (7,243.44 km) |
| Mason City to Seinajoki | 4,318.23 mi (6,949.52 km) |
| Mason City to Siilinjarvi | 4,413.47 mi (7,102.80 km) |
| Mason City to Sipoo | 4,491.23 mi (7,227.94 km) |
| Mason City to Sippola | 4,514.48 mi (7,265.35 km) |
| Mason City to Sodankyla | 4,180.77 mi (6,728.30 km) |
| Mason City to Somero | 4,436.09 mi (7,139.20 km) |
| Mason City to Sotkamo | 4,376.48 mi (7,043.26 km) |
| Mason City to Tampere | 4,400.81 mi (7,082.42 km) |
| Mason City to Tornio | 4,205.20 mi (6,767.62 km) |
| Mason City to Turku | 4,413.81 mi (7,103.35 km) |
| Mason City to Tuusula | 4,483.08 mi (7,214.83 km) |
