| Portalegre to Sucha Beskidzka | 1,500.94 mi (2,415.53 km) |
| Portalegre to Suchanino | 1,593.84 mi (2,565.04 km) |
| Portalegre to Sulechow | 1,408.43 mi (2,266.65 km) |
| Portalegre to Sulecin | 1,402.66 mi (2,257.37 km) |
| Portalegre to Sulejowek | 1,629.54 mi (2,622.49 km) |
| Portalegre to Suwalki | 1,741.87 mi (2,803.27 km) |
| Portalegre to Swarzedz | 1,473.16 mi (2,370.83 km) |
| Portalegre to Swidnica | 1,402.17 mi (2,256.58 km) |
| Portalegre to Swidnik | 1,662.66 mi (2,675.79 km) |
| Portalegre to Swidwin | 1,475.06 mi (2,373.87 km) |
| Portalegre to Swiebodzice | 1,396.76 mi (2,247.87 km) |
| Portalegre to Swiecie | 1,556.10 mi (2,504.30 km) |
| Portalegre to Swiedbodzin | 1,411.11 mi (2,270.97 km) |
| Portalegre to Swietochlowice | 1,485.54 mi (2,390.75 km) |
| Portalegre to Swinoujscie | 1,429.42 mi (2,300.44 km) |
