| Letchworth to Belvedere Marittimo | 1,148.44 mi (1,848.24 km) |
| Letchworth to Benevento | 1,030.59 mi (1,658.57 km) |
| Letchworth to Bergamo | 624.40 mi (1,004.88 km) |
| Letchworth to Bernalda | 1,131.55 mi (1,821.06 km) |
| Letchworth to Bertinoro | 784.44 mi (1,262.43 km) |
| Letchworth to Besana in Brianza | 611.68 mi (984.40 km) |
| Letchworth to Besozzo | 584.39 mi (940.49 km) |
| Letchworth to Biancavilla | 1,230.71 mi (1,980.64 km) |
| Letchworth to Biassono | 614.62 mi (989.13 km) |
| Letchworth to Bibbiano | 703.38 mi (1,131.97 km) |
| Letchworth to Bibbiena | 797.56 mi (1,283.54 km) |
| Letchworth to Biella | 581.45 mi (935.76 km) |
| Letchworth to Bisceglie | 1,081.97 mi (1,741.26 km) |
| Letchworth to Bisignano | 1,167.28 mi (1,878.56 km) |
| Letchworth to Bitetto | 1,101.26 mi (1,772.31 km) |
