| Portici to Borsbeek | 857.49 mi (1,380.00 km) |
| Portici to Boussu | 835.41 mi (1,344.46 km) |
| Portici to Braine-l'Alleud | 832.19 mi (1,339.29 km) |
| Portici to Braine-le-Chateau | 835.24 mi (1,344.18 km) |
| Portici to Braine-le-Comte | 834.52 mi (1,343.03 km) |
| Portici to Brasschaat | 862.48 mi (1,388.02 km) |
| Portici to Brecht | 861.94 mi (1,387.16 km) |
| Portici to Bredene | 900.58 mi (1,449.34 km) |
| Portici to Bree | 826.10 mi (1,329.48 km) |
| Portici to Bruges | 892.22 mi (1,435.89 km) |
| Portici to Brussels | 841.68 mi (1,354.55 km) |
| Portici to Buggenhout | 854.10 mi (1,374.55 km) |
| Portici to Chapelle-lez-Herlaimont | 823.22 mi (1,324.85 km) |
| Portici to Charleroi | 815.46 mi (1,312.36 km) |
| Portici to Chatelet | 813.13 mi (1,308.61 km) |
