| San Juan to Lovington (New Mexico) | 2,511.33 mi (4,041.59 km) |
| San Juan to Lowell (Indiana) | 2,022.84 mi (3,255.45 km) |
| San Juan to Lowell (Massachusetts) | 1,702.98 mi (2,740.68 km) |
| San Juan to Lower Burrell (Pennsylvania) | 1,733.79 mi (2,790.27 km) |
| San Juan to Lowes Island (Virginia) | 1,579.07 mi (2,541.26 km) |
| San Juan to Lubbock (Texas) | 2,442.91 mi (3,931.49 km) |
| San Juan to Lufkin (Texas) | 1,998.05 mi (3,215.54 km) |
| San Juan to Luling (Louisiana) | 1,719.99 mi (2,768.05 km) |
| San Juan to Lumberton (North Carolina) | 1,375.36 mi (2,213.44 km) |
| San Juan to Lumberton (Texas) | 1,944.78 mi (3,129.82 km) |
| San Juan to Lutz (Florida) | 1,236.72 mi (1,990.31 km) |
| San Juan to Lynbrook (New York) | 1,602.99 mi (2,579.76 km) |
| San Juan to Lynchburg (Virginia) | 1,534.59 mi (2,469.68 km) |
| San Juan to Lynden (Washington) | 3,754.76 mi (6,042.70 km) |
| San Juan to Lyndhurst (Ohio) | 1,838.53 mi (2,958.83 km) |
