| Catonsville to Borsbeek | 3,830.63 mi (6,164.80 km) |
| Catonsville to Boussu | 3,822.39 mi (6,151.54 km) |
| Catonsville to Braine-l'Alleud | 3,839.47 mi (6,179.02 km) |
| Catonsville to Braine-le-Chateau | 3,835.13 mi (6,172.05 km) |
| Catonsville to Braine-le-Comte | 3,831.85 mi (6,166.77 km) |
| Catonsville to Brasschaat | 3,828.50 mi (6,161.37 km) |
| Catonsville to Brecht | 3,832.82 mi (6,168.33 km) |
| Catonsville to Bredene | 3,768.96 mi (6,065.56 km) |
| Catonsville to Bree | 3,876.53 mi (6,238.67 km) |
| Catonsville to Bruges | 3,779.63 mi (6,082.72 km) |
| Catonsville to Brussels | 3,834.41 mi (6,170.88 km) |
| Catonsville to Buggenhout | 3,824.31 mi (6,154.63 km) |
| Catonsville to Chapelle-lez-Herlaimont | 3,841.41 mi (6,182.15 km) |
| Catonsville to Charleroi | 3,849.26 mi (6,194.78 km) |
| Catonsville to Chatelet | 3,852.66 mi (6,200.25 km) |
