| Harrow Weald to Bitonto | 1,083.23 mi (1,743.30 km) |
| Harrow Weald to Bitritto | 1,091.90 mi (1,757.24 km) |
| Harrow Weald to Bollate | 600.60 mi (966.58 km) |
| Harrow Weald to Bologna | 728.11 mi (1,171.78 km) |
| Harrow Weald to Bolzano | 635.12 mi (1,022.12 km) |
| Harrow Weald to Bomporto | 705.64 mi (1,135.61 km) |
| Harrow Weald to Bonate di Sopra | 608.83 mi (979.82 km) |
| Harrow Weald to Bondeno | 711.37 mi (1,144.85 km) |
| Harrow Weald to Bordighera | 655.35 mi (1,054.69 km) |
| Harrow Weald to Borgaro Torinese | 576.61 mi (927.96 km) |
| Harrow Weald to Borgo a Buggiano | 739.53 mi (1,190.16 km) |
| Harrow Weald to Borgo San Dalmazzo | 618.36 mi (995.16 km) |
| Harrow Weald to Borgo San Lorenzo | 757.17 mi (1,218.55 km) |
| Harrow Weald to Borgomanero | 571.91 mi (920.40 km) |
| Harrow Weald to Borgoricco | 701.01 mi (1,128.17 km) |
