| Harpenden to Borsbeek | 212.24 mi (341.57 km) |
| Harpenden to Boussu | 203.70 mi (327.83 km) |
| Harpenden to Braine-l'Alleud | 218.84 mi (352.19 km) |
| Harpenden to Braine-le-Chateau | 214.53 mi (345.26 km) |
| Harpenden to Braine-le-Comte | 211.56 mi (340.47 km) |
| Harpenden to Brasschaat | 211.09 mi (339.72 km) |
| Harpenden to Brecht | 216.43 mi (348.31 km) |
| Harpenden to Bredene | 148.63 mi (239.19 km) |
| Harpenden to Bree | 259.70 mi (417.95 km) |
| Harpenden to Bruges | 159.42 mi (256.56 km) |
| Harpenden to Brussels | 213.85 mi (344.16 km) |
| Harpenden to Buggenhout | 204.13 mi (328.51 km) |
| Harpenden to Chapelle-lez-Herlaimont | 221.51 mi (356.49 km) |
| Harpenden to Charleroi | 229.49 mi (369.32 km) |
| Harpenden to Chatelet | 232.76 mi (374.59 km) |
