| Olfen to Borsbeek | 129.84 mi (208.96 km) |
| Olfen to Boussu | 179.18 mi (288.36 km) |
| Olfen to Braine-l'Alleud | 148.73 mi (239.36 km) |
| Olfen to Braine-le-Chateau | 152.64 mi (245.65 km) |
| Olfen to Braine-le-Comte | 160.56 mi (258.40 km) |
| Olfen to Brasschaat | 127.84 mi (205.74 km) |
| Olfen to Brecht | 120.87 mi (194.53 km) |
| Olfen to Bredene | 192.57 mi (309.91 km) |
| Olfen to Bree | 87.40 mi (140.65 km) |
| Olfen to Bruges | 182.41 mi (293.57 km) |
| Olfen to Brussels | 144.10 mi (231.91 km) |
| Olfen to Buggenhout | 145.98 mi (234.94 km) |
| Olfen to Chapelle-lez-Herlaimont | 159.84 mi (257.24 km) |
| Olfen to Charleroi | 157.11 mi (252.84 km) |
| Olfen to Chatelet | 154.17 mi (248.11 km) |
