| Castle Pines to Beyne-Heusay | 4,930.89 mi (7,935.50 km) |
| Castle Pines to Bierbeek | 4,891.66 mi (7,872.37 km) |
| Castle Pines to Bilzen | 4,915.29 mi (7,910.39 km) |
| Castle Pines to Binche | 4,890.42 mi (7,870.37 km) |
| Castle Pines to Bissegem | 4,839.93 mi (7,789.12 km) |
| Castle Pines to Blankenberge | 4,815.72 mi (7,750.15 km) |
| Castle Pines to Blegny | 4,931.44 mi (7,936.39 km) |
| Castle Pines to Bocholt | 4,903.78 mi (7,891.87 km) |
| Castle Pines to Boechout | 4,868.23 mi (7,834.66 km) |
| Castle Pines to Bonheiden | 4,875.03 mi (7,845.60 km) |
| Castle Pines to Boom | 4,867.24 mi (7,833.07 km) |
| Castle Pines to Boortmeerbeek | 4,878.35 mi (7,850.94 km) |
| Castle Pines to Borgerhout | 4,864.10 mi (7,828.02 km) |
| Castle Pines to Borgloon | 4,912.37 mi (7,905.69 km) |
| Castle Pines to Bornem | 4,862.03 mi (7,824.69 km) |
