| Harlow to La Union | 979.56 mi (1,576.45 km) |
| Harlow to La Victoria de Acentejo | 1,826.16 mi (2,938.92 km) |
| Harlow to Laguna de Duero | 740.52 mi (1,191.75 km) |
| Harlow to Lalin | 738.92 mi (1,189.18 km) |
| Harlow to Lardero | 657.48 mi (1,058.12 km) |
| Harlow to Laredo | 600.80 mi (966.89 km) |
| Harlow to Las Cabezas de San Juan | 1,064.48 mi (1,713.11 km) |
| Harlow to Las Palmas | 1,821.45 mi (2,931.35 km) |
| Harlow to Las Rozas de Madrid | 802.74 mi (1,291.89 km) |
| Harlow to Las Torres de Cotillas | 952.54 mi (1,532.96 km) |
| Harlow to Lebrija | 1,070.53 mi (1,722.86 km) |
| Harlow to Leganes | 812.59 mi (1,307.74 km) |
| Harlow to Leon | 687.45 mi (1,106.34 km) |
| Harlow to Lepe | 1,065.26 mi (1,714.37 km) |
| Harlow to Linares | 963.66 mi (1,550.87 km) |
