| Longmont to Beyne-Heusay | 4,900.56 mi (7,886.68 km) |
| Longmont to Bierbeek | 4,861.48 mi (7,823.79 km) |
| Longmont to Bilzen | 4,884.86 mi (7,861.42 km) |
| Longmont to Binche | 4,860.67 mi (7,822.49 km) |
| Longmont to Bissegem | 4,810.22 mi (7,741.30 km) |
| Longmont to Blankenberge | 4,785.75 mi (7,701.93 km) |
| Longmont to Blegny | 4,901.05 mi (7,887.48 km) |
| Longmont to Bocholt | 4,873.16 mi (7,842.59 km) |
| Longmont to Boechout | 4,837.95 mi (7,785.93 km) |
| Longmont to Bonheiden | 4,844.80 mi (7,796.95 km) |
| Longmont to Boom | 4,837.04 mi (7,784.46 km) |
| Longmont to Boortmeerbeek | 4,848.13 mi (7,802.32 km) |
| Longmont to Borgerhout | 4,833.80 mi (7,779.25 km) |
| Longmont to Borgloon | 4,882.02 mi (7,856.86 km) |
| Longmont to Bornem | 4,831.85 mi (7,776.12 km) |
