| Harlingen to La Victoria de Acentejo | 2,039.47 mi (3,282.20 km) |
| Harlingen to Laguna de Duero | 928.83 mi (1,494.81 km) |
| Harlingen to Lalin | 957.04 mi (1,540.21 km) |
| Harlingen to Lardero | 826.75 mi (1,330.53 km) |
| Harlingen to Laredo | 785.88 mi (1,264.75 km) |
| Harlingen to Las Cabezas de San Juan | 1,245.17 mi (2,003.91 km) |
| Harlingen to Las Palmas | 2,030.47 mi (3,267.73 km) |
| Harlingen to Las Rozas de Madrid | 978.44 mi (1,574.64 km) |
| Harlingen to Las Torres de Cotillas | 1,093.95 mi (1,760.55 km) |
| Harlingen to Lebrija | 1,252.06 mi (2,014.99 km) |
| Harlingen to Leganes | 986.59 mi (1,587.76 km) |
| Harlingen to Leon | 888.19 mi (1,429.40 km) |
| Harlingen to Lepe | 1,255.84 mi (2,021.07 km) |
| Harlingen to Linares | 1,128.69 mi (1,816.45 km) |
| Harlingen to Liria | 978.20 mi (1,574.27 km) |
