| Catonsville to Brescia | 4,234.38 mi (6,814.58 km) |
| Catonsville to Bressanone | 4,256.47 mi (6,850.12 km) |
| Catonsville to Bresso | 4,190.21 mi (6,743.49 km) |
| Catonsville to Brindisi | 4,742.42 mi (7,632.19 km) |
| Catonsville to Broni | 4,208.72 mi (6,773.29 km) |
| Catonsville to Bronte | 4,713.99 mi (7,586.44 km) |
| Catonsville to Brugherio | 4,194.70 mi (6,750.71 km) |
| Catonsville to Brugnera | 4,320.27 mi (6,952.80 km) |
| Catonsville to Bruino | 4,132.41 mi (6,650.47 km) |
| Catonsville to Brunico | 4,265.40 mi (6,864.49 km) |
| Catonsville to Brusciano | 4,577.67 mi (7,367.05 km) |
| Catonsville to Bucine | 4,363.43 mi (7,022.26 km) |
| Catonsville to Budrio | 4,323.44 mi (6,957.91 km) |
| Catonsville to Busca | 4,148.15 mi (6,675.81 km) |
| Catonsville to Bussolengo | 4,263.59 mi (6,861.58 km) |
