| Portalegre to Skien | 1,562.69 mi (2,514.91 km) |
| Portalegre to Sogndal | 1,635.54 mi (2,632.14 km) |
| Portalegre to Sogne | 1,462.94 mi (2,354.38 km) |
| Portalegre to Sola | 1,466.47 mi (2,360.05 km) |
| Portalegre to Sortland | 2,201.21 mi (3,542.51 km) |
| Portalegre to Sorum | 1,641.16 mi (2,641.20 km) |
| Portalegre to Stange | 1,680.07 mi (2,703.81 km) |
| Portalegre to Stavanger | 1,476.05 mi (2,375.47 km) |
| Portalegre to Steinkjer | 1,872.34 mi (3,013.23 km) |
| Portalegre to Stjordal | 1,835.74 mi (2,954.34 km) |
| Portalegre to Stjordalshalsen | 1,831.26 mi (2,947.13 km) |
| Portalegre to Stokke | 1,579.59 mi (2,542.11 km) |
| Portalegre to Stord | 1,522.73 mi (2,450.59 km) |
| Portalegre to Strand | 1,486.81 mi (2,392.79 km) |
| Portalegre to Svolvaer | 2,162.64 mi (3,480.44 km) |
