| Cities | Distance |
|---|---|
| Seaham to Leigh | 104.22 mi (167.73 km) |
| Seaham to Leigh-on-Sea | 242.29 mi (389.94 km) |
| Seaham to Leighton Buzzard | 203.92 mi (328.17 km) |
| Seaham to Leith | 106.56 mi (171.49 km) |
| Seaham to Lemington | 17.74 mi (28.55 km) |
| Seaham to Leominster | 189.37 mi (304.75 km) |
| Seaham to Lerwick | 367.30 mi (591.12 km) |
| Seaham to Letchworth | 202.95 mi (326.62 km) |
| Seaham to Leven | 113.80 mi (183.14 km) |
| Seaham to Lewes | 279.70 mi (450.14 km) |
| Seaham to Leyland | 96.38 mi (155.11 km) |
| Seaham to Leyton | 232.48 mi (374.14 km) |
| Seaham to Lichfield | 150.43 mi (242.10 km) |
| Seaham to Lincoln | 116.00 mi (186.69 km) |
| Seaham to Linlithgow | 118.84 mi (191.26 km) |