| Letchworth to Lasko | 805.18 mi (1,295.82 km) |
| Letchworth to Lenart v Slovenskih Goricah | 812.22 mi (1,307.15 km) |
| Letchworth to Lendava | 837.35 mi (1,347.58 km) |
| Letchworth to Litija | 792.48 mi (1,275.37 km) |
| Letchworth to Ljubljana | 781.17 mi (1,257.18 km) |
| Letchworth to Ljubno | 782.31 mi (1,259.01 km) |
| Letchworth to Ljutomer | 829.13 mi (1,334.36 km) |
| Letchworth to Logatec | 776.29 mi (1,249.31 km) |
| Letchworth to Lovrenc na Pohorju | 795.87 mi (1,280.83 km) |
| Letchworth to Luce | 777.90 mi (1,251.91 km) |
| Letchworth to Lukovica | 783.39 mi (1,260.74 km) |
| Letchworth to Majsperk | 816.91 mi (1,314.69 km) |
| Letchworth to Makole | 815.56 mi (1,312.52 km) |
| Letchworth to Maribor | 805.45 mi (1,296.25 km) |
| Letchworth to Markovci | 822.97 mi (1,324.45 km) |
