| Irthlingborough to Lasko | 829.84 mi (1,335.49 km) |
| Irthlingborough to Lenart v Slovenskih Goricah | 836.11 mi (1,345.59 km) |
| Irthlingborough to Lendava | 860.92 mi (1,385.52 km) |
| Irthlingborough to Litija | 817.45 mi (1,315.55 km) |
| Irthlingborough to Ljubljana | 806.32 mi (1,297.65 km) |
| Irthlingborough to Ljubno | 807.00 mi (1,298.74 km) |
| Irthlingborough to Ljutomer | 852.89 mi (1,372.59 km) |
| Irthlingborough to Logatec | 801.71 mi (1,290.23 km) |
| Irthlingborough to Lovrenc na Pohorju | 820.03 mi (1,319.72 km) |
| Irthlingborough to Luce | 802.60 mi (1,291.67 km) |
| Irthlingborough to Lukovica | 808.32 mi (1,300.87 km) |
| Irthlingborough to Majsperk | 841.10 mi (1,353.62 km) |
| Irthlingborough to Makole | 839.82 mi (1,351.56 km) |
| Irthlingborough to Maribor | 829.46 mi (1,334.88 km) |
| Irthlingborough to Markovci | 847.01 mi (1,363.13 km) |
