| Portalegre to Schiedam | 1,038.26 mi (1,670.92 km) |
| Portalegre to Schijndel | 1,050.24 mi (1,690.20 km) |
| Portalegre to Schinnen | 1,029.34 mi (1,656.57 km) |
| Portalegre to Schoonhoven | 1,051.93 mi (1,692.92 km) |
| Portalegre to Simpelveld | 1,026.58 mi (1,652.13 km) |
| Portalegre to Sint Anthonis | 1,063.46 mi (1,711.47 km) |
| Portalegre to Sint Willebrord | 1,023.50 mi (1,647.16 km) |
| Portalegre to Sint-Michielsgestel | 1,049.54 mi (1,689.06 km) |
| Portalegre to Sint-Oedenrode | 1,048.26 mi (1,687.00 km) |
| Portalegre to Sittard | 1,031.34 mi (1,659.78 km) |
| Portalegre to Sliedrecht | 1,042.52 mi (1,677.78 km) |
| Portalegre to Slochteren | 1,171.55 mi (1,885.43 km) |
| Portalegre to Sluis | 978.51 mi (1,574.76 km) |
| Portalegre to Sneek | 1,131.66 mi (1,821.23 km) |
| Portalegre to Soest | 1,076.49 mi (1,732.44 km) |
