| Louth to La Union | 1,088.85 mi (1,752.34 km) |
| Louth to La Victoria de Acentejo | 1,914.69 mi (3,081.40 km) |
| Louth to Laguna de Duero | 842.89 mi (1,356.51 km) |
| Louth to Lalin | 828.73 mi (1,333.71 km) |
| Louth to Lardero | 764.32 mi (1,230.06 km) |
| Louth to Laredo | 704.95 mi (1,134.51 km) |
| Louth to Las Cabezas de San Juan | 1,167.42 mi (1,878.78 km) |
| Louth to Las Palmas | 1,912.33 mi (3,077.60 km) |
| Louth to Las Rozas de Madrid | 907.76 mi (1,460.91 km) |
| Louth to Las Torres de Cotillas | 1,061.57 mi (1,708.42 km) |
| Louth to Lebrija | 1,173.25 mi (1,888.17 km) |
| Louth to Leganes | 917.90 mi (1,477.22 km) |
| Louth to Leon | 786.19 mi (1,265.26 km) |
| Louth to Lepe | 1,165.47 mi (1,875.64 km) |
| Louth to Linares | 1,070.03 mi (1,722.05 km) |
