| Opovo to Borsbeek | 846.74 mi (1,362.69 km) |
| Opovo to Boussu | 855.12 mi (1,376.18 km) |
| Opovo to Braine-l'Alleud | 837.39 mi (1,347.66 km) |
| Opovo to Braine-le-Chateau | 841.74 mi (1,354.66 km) |
| Opovo to Braine-le-Comte | 845.14 mi (1,360.13 km) |
| Opovo to Brasschaat | 849.12 mi (1,366.53 km) |
| Opovo to Brecht | 845.10 mi (1,360.06 km) |
| Opovo to Bredene | 907.89 mi (1,461.11 km) |
| Opovo to Bree | 801.55 mi (1,289.97 km) |
| Opovo to Bruges | 897.25 mi (1,443.99 km) |
| Opovo to Brussels | 842.43 mi (1,355.76 km) |
| Opovo to Buggenhout | 852.60 mi (1,372.12 km) |
| Opovo to Chapelle-lez-Herlaimont | 835.75 mi (1,345.00 km) |
| Opovo to Charleroi | 827.95 mi (1,332.46 km) |
| Opovo to Chatelet | 824.51 mi (1,326.92 km) |
