| Portalegre to Saarijarvi | 2,106.86 mi (3,390.67 km) |
| Portalegre to Salo | 1,958.45 mi (3,151.82 km) |
| Portalegre to Sastamala | 1,990.32 mi (3,203.11 km) |
| Portalegre to Savonlinna | 2,175.75 mi (3,501.52 km) |
| Portalegre to Seinajoki | 2,048.79 mi (3,297.21 km) |
| Portalegre to Siilinjarvi | 2,184.10 mi (3,514.97 km) |
| Portalegre to Sipoo | 2,019.83 mi (3,250.61 km) |
| Portalegre to Sippola | 2,083.15 mi (3,352.50 km) |
| Portalegre to Sodankyla | 2,332.87 mi (3,754.39 km) |
| Portalegre to Somero | 1,979.05 mi (3,184.97 km) |
| Portalegre to Sotkamo | 2,241.90 mi (3,607.99 km) |
| Portalegre to Tampere | 2,019.53 mi (3,250.12 km) |
| Portalegre to Tornio | 2,212.54 mi (3,560.75 km) |
| Portalegre to Turku | 1,936.91 mi (3,117.16 km) |
| Portalegre to Tuusula | 2,015.41 mi (3,243.48 km) |
