| Harrow Weald to Barking | 18.53 mi (29.82 km) |
| Harrow Weald to Barnet | 6.60 mi (10.61 km) |
| Harrow Weald to Barnoldswick | 177.40 mi (285.50 km) |
| Harrow Weald to Barnsley | 143.02 mi (230.17 km) |
| Harrow Weald to Barnstaple | 164.61 mi (264.92 km) |
| Harrow Weald to Barrhead | 333.83 mi (537.25 km) |
| Harrow Weald to Barri | 126.79 mi (204.05 km) |
| Harrow Weald to Barrow in Furness | 210.93 mi (339.45 km) |
| Harrow Weald to Barton upon Humber | 143.74 mi (231.33 km) |
| Harrow Weald to Barton upon Irwell | 154.72 mi (249.00 km) |
| Harrow Weald to Barwell | 79.16 mi (127.40 km) |
| Harrow Weald to Basford | 101.21 mi (162.87 km) |
| Harrow Weald to Basildon | 35.62 mi (57.33 km) |
| Harrow Weald to Basingstoke | 39.78 mi (64.03 km) |
| Harrow Weald to Bath | 88.31 mi (142.11 km) |
