| Catonsville to Beyne-Heusay | 3,892.93 mi (6,265.07 km) |
| Catonsville to Bierbeek | 3,851.51 mi (6,198.41 km) |
| Catonsville to Bilzen | 3,880.90 mi (6,245.70 km) |
| Catonsville to Binche | 3,838.38 mi (6,177.27 km) |
| Catonsville to Bissegem | 3,789.05 mi (6,097.89 km) |
| Catonsville to Blankenberge | 3,773.04 mi (6,072.12 km) |
| Catonsville to Blegny | 3,894.96 mi (6,268.33 km) |
| Catonsville to Bocholt | 3,875.35 mi (6,236.77 km) |
| Catonsville to Boechout | 3,831.91 mi (6,166.86 km) |
| Catonsville to Bonheiden | 3,836.91 mi (6,174.92 km) |
| Catonsville to Boom | 3,828.91 mi (6,162.04 km) |
| Catonsville to Boortmeerbeek | 3,839.55 mi (6,179.16 km) |
| Catonsville to Borgerhout | 3,828.62 mi (6,161.56 km) |
| Catonsville to Borgloon | 3,875.61 mi (6,237.20 km) |
| Catonsville to Bornem | 3,823.11 mi (6,152.70 km) |
