| Gretna to La Union | 4,952.91 mi (7,970.94 km) |
| Gretna to La Victoria de Acentejo | 4,357.92 mi (7,013.39 km) |
| Gretna to Laguna de Duero | 4,659.50 mi (7,498.75 km) |
| Gretna to Lalin | 4,470.65 mi (7,194.82 km) |
| Gretna to Lardero | 4,746.48 mi (7,638.72 km) |
| Gretna to Laredo | 4,677.05 mi (7,526.99 km) |
| Gretna to Las Cabezas de San Juan | 4,713.70 mi (7,585.96 km) |
| Gretna to Las Palmas | 4,424.41 mi (7,120.40 km) |
| Gretna to Las Rozas de Madrid | 4,727.68 mi (7,608.47 km) |
| Gretna to Las Torres de Cotillas | 4,923.15 mi (7,923.04 km) |
| Gretna to Lebrija | 4,708.24 mi (7,577.19 km) |
| Gretna to Leganes | 4,737.17 mi (7,623.75 km) |
| Gretna to Leon | 4,594.02 mi (7,393.36 km) |
| Gretna to Lepe | 4,642.06 mi (7,470.68 km) |
| Gretna to Linares | 4,802.06 mi (7,728.17 km) |
