| Cities | Distance |
|---|---|
| Seclin to Leigh-on-Sea | 123.97 mi (199.51 km) |
| Seclin to Leighton Buzzard | 185.54 mi (298.60 km) |
| Seclin to Leith | 454.01 mi (730.67 km) |
| Seclin to Lemington | 364.38 mi (586.41 km) |
| Seclin to Leominster | 274.34 mi (441.51 km) |
| Seclin to Lerwick | 683.37 mi (1,099.78 km) |
| Seclin to Letchworth | 172.07 mi (276.92 km) |
| Seclin to Leven | 462.08 mi (743.64 km) |
| Seclin to Lewes | 133.93 mi (215.54 km) |
| Seclin to Leyland | 325.70 mi (524.16 km) |
| Seclin to Leyton | 149.86 mi (241.17 km) |
| Seclin to Lichfield | 255.22 mi (410.73 km) |
| Seclin to Lincoln | 239.61 mi (385.62 km) |
| Seclin to Linlithgow | 464.42 mi (747.41 km) |
| Seclin to Linslade | 186.39 mi (299.96 km) |