| Welwyn Garden City to Bitonto | 1,086.33 mi (1,748.27 km) |
| Welwyn Garden City to Bitritto | 1,094.96 mi (1,762.16 km) |
| Welwyn Garden City to Bollate | 605.10 mi (973.82 km) |
| Welwyn Garden City to Bologna | 731.92 mi (1,177.91 km) |
| Welwyn Garden City to Bolzano | 636.67 mi (1,024.62 km) |
| Welwyn Garden City to Bomporto | 709.44 mi (1,141.73 km) |
| Welwyn Garden City to Bonate di Sopra | 612.79 mi (986.19 km) |
| Welwyn Garden City to Bondeno | 714.74 mi (1,150.26 km) |
| Welwyn Garden City to Bordighera | 662.76 mi (1,066.61 km) |
| Welwyn Garden City to Borgaro Torinese | 582.88 mi (938.05 km) |
| Welwyn Garden City to Borgo a Buggiano | 744.35 mi (1,197.91 km) |
| Welwyn Garden City to Borgo San Dalmazzo | 625.51 mi (1,006.66 km) |
| Welwyn Garden City to Borgo San Lorenzo | 761.45 mi (1,225.43 km) |
| Welwyn Garden City to Borgomanero | 576.83 mi (928.31 km) |
| Welwyn Garden City to Borgoricco | 703.31 mi (1,131.86 km) |
