| Letchworth to Bitonto | 1,094.63 mi (1,761.64 km) |
| Letchworth to Bitritto | 1,103.24 mi (1,775.49 km) |
| Letchworth to Bollate | 614.25 mi (988.53 km) |
| Letchworth to Bologna | 740.66 mi (1,191.98 km) |
| Letchworth to Bolzano | 644.13 mi (1,036.62 km) |
| Letchworth to Bomporto | 718.19 mi (1,155.81 km) |
| Letchworth to Bonate di Sopra | 621.65 mi (1,000.44 km) |
| Letchworth to Bondeno | 723.25 mi (1,163.95 km) |
| Letchworth to Bordighera | 673.28 mi (1,083.53 km) |
| Letchworth to Borgaro Torinese | 592.90 mi (954.18 km) |
| Letchworth to Borgo a Buggiano | 753.63 mi (1,212.85 km) |
| Letchworth to Borgo San Dalmazzo | 635.92 mi (1,023.42 km) |
| Letchworth to Borgo San Lorenzo | 770.44 mi (1,239.91 km) |
| Letchworth to Borgomanero | 586.19 mi (943.39 km) |
| Letchworth to Borgoricco | 711.20 mi (1,144.56 km) |
