| Gainsborough to Leigh-on-Sea | 141.79 mi (228.18 km) |
| Gainsborough to Leighton Buzzard | 102.72 mi (165.31 km) |
| Gainsborough to Leith | 202.21 mi (325.42 km) |
| Gainsborough to Lemington | 115.10 mi (185.23 km) |
| Gainsborough to Leominster | 115.35 mi (185.64 km) |
| Gainsborough to Lerwick | 466.82 mi (751.28 km) |
| Gainsborough to Letchworth | 100.96 mi (162.47 km) |
| Gainsborough to Leven | 212.28 mi (341.64 km) |
| Gainsborough to Lewes | 177.73 mi (286.03 km) |
| Gainsborough to Leyland | 81.48 mi (131.14 km) |
| Gainsborough to Leyton | 130.51 mi (210.03 km) |
| Gainsborough to Lichfield | 66.30 mi (106.70 km) |
| Gainsborough to Lincoln | 15.39 mi (24.77 km) |
| Gainsborough to Linlithgow | 211.04 mi (339.63 km) |
| Gainsborough to Linslade | 102.15 mi (164.40 km) |
