| Seaham to Bispham | 96.71 mi (155.63 km) |
| Seaham to Blackburn | 88.39 mi (142.25 km) |
| Seaham to Blackpool | 98.85 mi (159.08 km) |
| Seaham to Blairgowrie | 143.89 mi (231.57 km) |
| Seaham to Blandford Forum | 277.41 mi (446.44 km) |
| Seaham to Blaydon | 17.29 mi (27.82 km) |
| Seaham to Bletchley | 198.22 mi (319.01 km) |
| Seaham to Bloxwich | 156.18 mi (251.34 km) |
| Seaham to Blunsdon Saint Andrew | 223.94 mi (360.40 km) |
| Seaham to Blyth | 20.93 mi (33.68 km) |
| Seaham to Bo'ness | 120.50 mi (193.93 km) |
| Seaham to Bodmin | 333.64 mi (536.94 km) |
| Seaham to Bognor Regis | 281.72 mi (453.38 km) |
| Seaham to Bolsover | 111.23 mi (179.01 km) |
| Seaham to Bolton | 97.67 mi (157.18 km) |
