| Mercer Island to La Crescenta-Montrose (California) | 944.29 mi (1,519.69 km) |
| Mercer Island to La Crosse (Wisconsin) | 1,508.07 mi (2,427.00 km) |
| Mercer Island to La Grande (Oregon) | 250.83 mi (403.67 km) |
| Mercer Island to La Grange (Illinois) | 1,718.93 mi (2,766.34 km) |
| Mercer Island to La Grange Park (Illinois) | 1,718.32 mi (2,765.36 km) |
| Mercer Island to La Habra (California) | 968.16 mi (1,558.10 km) |
| Mercer Island to La Homa (Texas) | 1,959.24 mi (3,153.10 km) |
| Mercer Island to La Marque (Texas) | 1,919.10 mi (3,088.50 km) |
| Mercer Island to La Mesa (California) | 1,058.04 mi (1,702.75 km) |
| Mercer Island to La Mirada (California) | 969.21 mi (1,559.80 km) |
| Mercer Island to La Palma (California) | 972.37 mi (1,564.88 km) |
| Mercer Island to La Porte (Indiana) | 1,778.92 mi (2,862.90 km) |
| Mercer Island to La Porte (Texas) | 1,901.42 mi (3,060.04 km) |
| Mercer Island to La Presa (California) | 1,062.26 mi (1,709.55 km) |
| Mercer Island to La Puente (California) | 961.10 mi (1,546.75 km) |
