| Southgate to Belper | 112.08 mi (180.38 km) |
| Southgate to Bentley | 139.32 mi (224.22 km) |
| Southgate to Berkhampstead | 20.58 mi (33.11 km) |
| Southgate to Berwick-Upon-Tweed | 295.97 mi (476.32 km) |
| Southgate to Beverley | 153.45 mi (246.95 km) |
| Southgate to Bewdley | 106.34 mi (171.13 km) |
| Southgate to Bexleyheath | 16.47 mi (26.51 km) |
| Southgate to Bicester | 47.53 mi (76.49 km) |
| Southgate to Bickenhill | 87.91 mi (141.47 km) |
| Southgate to Bickley | 17.63 mi (28.37 km) |
| Southgate to Biddulph | 134.17 mi (215.93 km) |
| Southgate to Bideford | 181.31 mi (291.78 km) |
| Southgate to Bidston | 174.22 mi (280.38 km) |
| Southgate to Biggleswade | 31.84 mi (51.25 km) |
| Southgate to Billericay | 23.37 mi (37.61 km) |
