| Cities | Distance |
|---|---|
| Seaham to Laindon | 237.08 mi (381.54 km) |
| Seaham to Lambeth | 236.91 mi (381.28 km) |
| Seaham to Lanark | 111.95 mi (180.17 km) |
| Seaham to Lancaster | 80.22 mi (129.10 km) |
| Seaham to Lancing | 280.18 mi (450.90 km) |
| Seaham to Larbert | 127.18 mi (204.68 km) |
| Seaham to Largs | 153.65 mi (247.27 km) |
| Seaham to Larkhall | 120.67 mi (194.20 km) |
| Seaham to Launceston | 316.62 mi (509.54 km) |
| Seaham to Leagrave | 206.10 mi (331.68 km) |
| Seaham to Leatherhead | 248.50 mi (399.92 km) |
| Seaham to Ledbury | 198.94 mi (320.16 km) |
| Seaham to Leeds | 72.33 mi (116.41 km) |
| Seaham to Leek | 122.85 mi (197.71 km) |
| Seaham to Leicester | 152.63 mi (245.63 km) |