| Harrow Weald to Belper | 109.52 mi (176.26 km) |
| Harrow Weald to Bentley | 138.70 mi (223.22 km) |
| Harrow Weald to Berkhampstead | 14.35 mi (23.09 km) |
| Harrow Weald to Berwick-Upon-Tweed | 295.70 mi (475.89 km) |
| Harrow Weald to Beverley | 154.88 mi (249.26 km) |
| Harrow Weald to Bewdley | 99.55 mi (160.22 km) |
| Harrow Weald to Bexleyheath | 22.82 mi (36.72 km) |
| Harrow Weald to Bicester | 40.27 mi (64.81 km) |
| Harrow Weald to Bickenhill | 82.47 mi (132.72 km) |
| Harrow Weald to Bickley | 21.75 mi (35.01 km) |
| Harrow Weald to Biddulph | 130.14 mi (209.45 km) |
| Harrow Weald to Bideford | 171.99 mi (276.79 km) |
| Harrow Weald to Bidston | 169.40 mi (272.62 km) |
| Harrow Weald to Biggleswade | 33.46 mi (53.85 km) |
| Harrow Weald to Billericay | 32.54 mi (52.36 km) |
