| Sleaford to Lizzano | 1,207.95 mi (1,944.00 km) |
| Sleaford to Locate di Triulzi | 683.11 mi (1,099.36 km) |
| Sleaford to Locorotondo | 1,184.23 mi (1,905.84 km) |
| Sleaford to Locri | 1,293.34 mi (2,081.43 km) |
| Sleaford to Lodi | 693.09 mi (1,115.43 km) |
| Sleaford to Lomazzo | 658.36 mi (1,059.53 km) |
| Sleaford to Lonate Pozzolo | 655.88 mi (1,055.54 km) |
| Sleaford to Lonigo | 746.82 mi (1,201.89 km) |
| Sleaford to Loreto | 920.31 mi (1,481.10 km) |
| Sleaford to Loria | 744.56 mi (1,198.25 km) |
| Sleaford to Lucca | 804.75 mi (1,295.12 km) |
| Sleaford to Lucera | 1,079.92 mi (1,737.96 km) |
| Sleaford to Lugo | 814.77 mi (1,311.25 km) |
| Sleaford to Luino | 633.59 mi (1,019.67 km) |
| Sleaford to Lurate Caccivio | 653.70 mi (1,052.04 km) |
