| Olsberg to Borsbeek | 173.18 mi (278.71 km) |
| Olsberg to Boussu | 213.84 mi (344.14 km) |
| Olsberg to Braine-l'Alleud | 184.58 mi (297.05 km) |
| Olsberg to Braine-le-Chateau | 188.95 mi (304.09 km) |
| Olsberg to Braine-le-Comte | 196.18 mi (315.72 km) |
| Olsberg to Brasschaat | 172.48 mi (277.58 km) |
| Olsberg to Brecht | 166.12 mi (267.34 km) |
| Olsberg to Bredene | 238.06 mi (383.11 km) |
| Olsberg to Bree | 126.32 mi (203.29 km) |
| Olsberg to Bruges | 227.46 mi (366.05 km) |
| Olsberg to Brussels | 182.55 mi (293.79 km) |
| Olsberg to Buggenhout | 187.08 mi (301.08 km) |
| Olsberg to Chapelle-lez-Herlaimont | 192.86 mi (310.38 km) |
| Olsberg to Charleroi | 188.35 mi (303.12 km) |
| Olsberg to Chatelet | 184.95 mi (297.64 km) |
