| Mountlake Terrace to Saarijarvi | 4,597.00 mi (7,398.16 km) |
| Mountlake Terrace to Salo | 4,715.51 mi (7,588.89 km) |
| Mountlake Terrace to Sastamala | 4,652.37 mi (7,487.27 km) |
| Mountlake Terrace to Savonlinna | 4,693.93 mi (7,554.16 km) |
| Mountlake Terrace to Seinajoki | 4,560.44 mi (7,339.33 km) |
| Mountlake Terrace to Siilinjarvi | 4,602.06 mi (7,406.30 km) |
| Mountlake Terrace to Sipoo | 4,745.35 mi (7,636.91 km) |
| Mountlake Terrace to Sippola | 4,744.29 mi (7,635.20 km) |
| Mountlake Terrace to Sodankyla | 4,312.65 mi (6,940.53 km) |
| Mountlake Terrace to Somero | 4,705.37 mi (7,572.56 km) |
| Mountlake Terrace to Sotkamo | 4,542.02 mi (7,309.67 km) |
| Mountlake Terrace to Tampere | 4,654.08 mi (7,490.02 km) |
| Mountlake Terrace to Tornio | 4,384.79 mi (7,056.64 km) |
| Mountlake Terrace to Turku | 4,699.34 mi (7,562.86 km) |
| Mountlake Terrace to Tuusula | 4,738.79 mi (7,626.34 km) |
