| Mercer Island to La Union | 5,532.44 mi (8,903.60 km) |
| Mercer Island to La Victoria de Acentejo | 5,460.67 mi (8,788.10 km) |
| Mercer Island to Laguna de Duero | 5,190.72 mi (8,353.66 km) |
| Mercer Island to Lalin | 5,023.47 mi (8,084.50 km) |
| Mercer Island to Lardero | 5,215.56 mi (8,393.63 km) |
| Mercer Island to Laredo | 5,132.17 mi (8,259.43 km) |
| Mercer Island to Las Cabezas de San Juan | 5,400.08 mi (8,690.59 km) |
| Mercer Island to Las Palmas | 5,518.22 mi (8,880.72 km) |
| Mercer Island to Las Rozas de Madrid | 5,277.22 mi (8,492.87 km) |
| Mercer Island to Las Torres de Cotillas | 5,497.87 mi (8,847.97 km) |
| Mercer Island to Lebrija | 5,398.77 mi (8,688.47 km) |
| Mercer Island to Leganes | 5,289.67 mi (8,512.91 km) |
| Mercer Island to Leon | 5,108.22 mi (8,220.88 km) |
| Mercer Island to Lepe | 5,342.04 mi (8,597.19 km) |
| Mercer Island to Linares | 5,417.16 mi (8,718.08 km) |
