| Letchworth to Beyne-Heusay | 270.79 mi (435.79 km) |
| Letchworth to Bierbeek | 229.37 mi (369.13 km) |
| Letchworth to Bilzen | 259.15 mi (417.06 km) |
| Letchworth to Binche | 219.35 mi (353.01 km) |
| Letchworth to Bissegem | 168.84 mi (271.72 km) |
| Letchworth to Blankenberge | 150.94 mi (242.92 km) |
| Letchworth to Blegny | 272.87 mi (439.14 km) |
| Letchworth to Bocholt | 255.52 mi (411.22 km) |
| Letchworth to Boechout | 210.33 mi (338.49 km) |
| Letchworth to Bonheiden | 214.95 mi (345.93 km) |
| Letchworth to Boom | 206.98 mi (333.10 km) |
| Letchworth to Boortmeerbeek | 217.49 mi (350.02 km) |
| Letchworth to Borgerhout | 207.31 mi (333.63 km) |
| Letchworth to Borgloon | 253.58 mi (408.09 km) |
| Letchworth to Bornem | 201.14 mi (323.70 km) |
