| Bolu to Beyne-Heusay | 1,416.54 mi (2,279.70 km) |
| Bolu to Bierbeek | 1,457.93 mi (2,346.31 km) |
| Bolu to Bilzen | 1,427.67 mi (2,297.61 km) |
| Bolu to Binche | 1,474.19 mi (2,372.48 km) |
| Bolu to Bissegem | 1,522.23 mi (2,449.80 km) |
| Bolu to Blankenberge | 1,535.97 mi (2,471.91 km) |
| Bolu to Blegny | 1,414.20 mi (2,275.94 km) |
| Bolu to Bocholt | 1,432.19 mi (2,304.89 km) |
| Bolu to Boechout | 1,476.51 mi (2,376.21 km) |
| Bolu to Bonheiden | 1,471.90 mi (2,368.80 km) |
| Bolu to Boom | 1,479.86 mi (2,381.60 km) |
| Bolu to Boortmeerbeek | 1,469.44 mi (2,364.83 km) |
| Bolu to Borgerhout | 1,479.62 mi (2,381.22 km) |
| Bolu to Borgloon | 1,433.37 mi (2,306.79 km) |
| Bolu to Bornem | 1,485.72 mi (2,391.03 km) |
