| Portalegre to Roeselare | 951.53 mi (1,531.34 km) |
| Portalegre to Ronse | 953.47 mi (1,534.46 km) |
| Portalegre to Rotselaar | 995.04 mi (1,601.36 km) |
| Portalegre to Rumst | 993.75 mi (1,599.29 km) |
| Portalegre to Saint-Ghislain | 943.34 mi (1,518.15 km) |
| Portalegre to Saint-Nicolas | 1,002.97 mi (1,614.12 km) |
| Portalegre to Saint-Vith | 1,004.53 mi (1,616.63 km) |
| Portalegre to Scherpenheuvel | 1,005.61 mi (1,618.38 km) |
| Portalegre to Schilde | 1,005.88 mi (1,618.81 km) |
| Portalegre to Schoten | 1,004.93 mi (1,617.28 km) |
| Portalegre to Seneffe | 960.02 mi (1,545.00 km) |
| Portalegre to Seraing | 999.46 mi (1,608.48 km) |
| Portalegre to Sint-Amandsberg | 974.00 mi (1,567.50 km) |
| Portalegre to Sint-Andries | 967.29 mi (1,556.71 km) |
| Portalegre to Sint-Genesius-Rode | 973.88 mi (1,567.32 km) |
