| Portici to Roeselare | 881.40 mi (1,418.47 km) |
| Portici to Ronse | 857.55 mi (1,380.10 km) |
| Portici to Rotselaar | 837.82 mi (1,348.34 km) |
| Portici to Rumst | 852.83 mi (1,372.50 km) |
| Portici to Saint-Ghislain | 835.69 mi (1,344.91 km) |
| Portici to Saint-Nicolas | 798.88 mi (1,285.68 km) |
| Portici to Saint-Vith | 763.96 mi (1,229.48 km) |
| Portici to Scherpenheuvel | 834.31 mi (1,342.70 km) |
| Portici to Schilde | 857.17 mi (1,379.48 km) |
| Portici to Schoten | 859.82 mi (1,383.74 km) |
| Portici to Seneffe | 827.70 mi (1,332.05 km) |
| Portici to Seraing | 796.92 mi (1,282.51 km) |
| Portici to Sint-Amandsberg | 869.35 mi (1,399.08 km) |
| Portici to Sint-Andries | 892.92 mi (1,437.01 km) |
| Portici to Sint-Genesius-Rode | 836.35 mi (1,345.98 km) |
