| Mercer Island to Saarijarvi | 4,611.10 mi (7,420.85 km) |
| Mercer Island to Salo | 4,729.34 mi (7,611.13 km) |
| Mercer Island to Sastamala | 4,666.24 mi (7,509.58 km) |
| Mercer Island to Savonlinna | 4,708.21 mi (7,577.13 km) |
| Mercer Island to Seinajoki | 4,574.40 mi (7,361.79 km) |
| Mercer Island to Siilinjarvi | 4,616.32 mi (7,429.25 km) |
| Mercer Island to Sipoo | 4,759.32 mi (7,659.38 km) |
| Mercer Island to Sippola | 4,758.39 mi (7,657.89 km) |
| Mercer Island to Sodankyla | 4,327.08 mi (6,963.76 km) |
| Mercer Island to Somero | 4,719.23 mi (7,594.87 km) |
| Mercer Island to Sotkamo | 4,556.37 mi (7,332.77 km) |
| Mercer Island to Tampere | 4,668.02 mi (7,512.45 km) |
| Mercer Island to Tornio | 4,399.01 mi (7,079.53 km) |
| Mercer Island to Turku | 4,713.11 mi (7,585.02 km) |
| Mercer Island to Tuusula | 4,752.74 mi (7,648.80 km) |
