| Welwyn Garden City to Borgosatollo | 645.52 mi (1,038.87 km) |
| Welwyn Garden City to Borgosesia | 569.78 mi (916.98 km) |
| Welwyn Garden City to Boscoreale | 1,031.96 mi (1,660.78 km) |
| Welwyn Garden City to Boscotrecase | 1,030.52 mi (1,658.46 km) |
| Welwyn Garden City to Botticino Sera | 642.44 mi (1,033.91 km) |
| Welwyn Garden City to Bovalino Marina | 1,230.99 mi (1,981.08 km) |
| Welwyn Garden City to Boves | 627.25 mi (1,009.46 km) |
| Welwyn Garden City to Boville Ernica | 951.36 mi (1,531.07 km) |
| Welwyn Garden City to Bovisio Masciago | 602.70 mi (969.95 km) |
| Welwyn Garden City to Bovolone | 686.94 mi (1,105.53 km) |
| Welwyn Garden City to Bra | 614.03 mi (988.18 km) |
| Welwyn Garden City to Bracciano | 886.64 mi (1,426.92 km) |
| Welwyn Garden City to Brandizzo | 586.69 mi (944.19 km) |
| Welwyn Garden City to Breganze | 680.50 mi (1,095.15 km) |
| Welwyn Garden City to Brembate | 616.48 mi (992.13 km) |
