| Slough to Borgosatollo | 646.56 mi (1,040.54 km) |
| Slough to Borgosesia | 568.23 mi (914.48 km) |
| Slough to Boscoreale | 1,031.23 mi (1,659.61 km) |
| Slough to Boscotrecase | 1,029.79 mi (1,657.29 km) |
| Slough to Botticino Sera | 643.59 mi (1,035.75 km) |
| Slough to Bovalino Marina | 1,229.40 mi (1,978.52 km) |
| Slough to Boves | 621.90 mi (1,000.86 km) |
| Slough to Boville Ernica | 950.54 mi (1,529.75 km) |
| Slough to Bovisio Masciago | 602.39 mi (969.45 km) |
| Slough to Bovolone | 688.76 mi (1,108.45 km) |
| Slough to Bra | 609.81 mi (981.40 km) |
| Slough to Bracciano | 884.86 mi (1,424.05 km) |
| Slough to Brandizzo | 583.31 mi (938.75 km) |
| Slough to Breganze | 683.75 mi (1,100.40 km) |
| Slough to Brembate | 616.76 mi (992.57 km) |
