| Harrow to Lasko | 799.19 mi (1,286.17 km) |
| Harrow to Lenart v Slovenskih Goricah | 807.57 mi (1,299.66 km) |
| Harrow to Lendava | 833.20 mi (1,340.90 km) |
| Harrow to Litija | 785.91 mi (1,264.80 km) |
| Harrow to Ljubljana | 774.28 mi (1,246.08 km) |
| Harrow to Ljubno | 776.29 mi (1,249.31 km) |
| Harrow to Ljutomer | 824.69 mi (1,327.20 km) |
| Harrow to Logatec | 768.86 mi (1,237.35 km) |
| Harrow to Lovrenc na Pohorju | 790.76 mi (1,272.60 km) |
| Harrow to Luce | 771.83 mi (1,242.14 km) |
| Harrow to Lukovica | 776.90 mi (1,250.30 km) |
| Harrow to Majsperk | 811.73 mi (1,306.36 km) |
| Harrow to Makole | 810.27 mi (1,304.00 km) |
| Harrow to Maribor | 800.61 mi (1,288.46 km) |
| Harrow to Markovci | 818.06 mi (1,316.54 km) |
