| Seaham to Burnley | 81.32 mi (130.87 km) |
| Seaham to Burntwood | 150.90 mi (242.85 km) |
| Seaham to Burscough | 105.23 mi (169.35 km) |
| Seaham to Burslem | 128.88 mi (207.42 km) |
| Seaham to Burton upon Trent | 141.34 mi (227.46 km) |
| Seaham to Burtonwood | 111.12 mi (178.84 km) |
| Seaham to Bury | 94.45 mi (152.00 km) |
| Seaham to Bury Saint Edmunds | 198.04 mi (318.72 km) |
| Seaham to Bushey | 224.57 mi (361.42 km) |
| Seaham to Buxton | 111.66 mi (179.71 km) |
| Seaham to Caerdydd | 244.20 mi (393.01 km) |
| Seaham to Caerfyrddin | 239.90 mi (386.08 km) |
| Seaham to Caernarfon | 167.19 mi (269.07 km) |
| Seaham to Caerphilly | 238.38 mi (383.64 km) |
| Seaham to Caister-on-Sea | 196.53 mi (316.29 km) |
