| Sintra to Lowell (Indiana) | 3,984.03 mi (6,411.67 km) |
| Sintra to Lowell (Massachusetts) | 3,180.91 mi (5,119.18 km) |
| Sintra to Lower Burrell (Pennsylvania) | 3,636.71 mi (5,852.72 km) |
| Sintra to Lowes Island (Virginia) | 3,561.84 mi (5,732.23 km) |
| Sintra to Lubbock (Texas) | 4,936.78 mi (7,944.98 km) |
| Sintra to Lufkin (Texas) | 4,676.04 mi (7,525.35 km) |
| Sintra to Luling (Louisiana) | 4,509.19 mi (7,256.84 km) |
| Sintra to Lumberton (North Carolina) | 3,772.41 mi (6,071.11 km) |
| Sintra to Lumberton (Texas) | 4,690.20 mi (7,548.15 km) |
| Sintra to Lutz (Florida) | 4,164.90 mi (6,702.76 km) |
| Sintra to Lynbrook (New York) | 3,339.64 mi (5,374.63 km) |
| Sintra to Lynchburg (Virginia) | 3,698.89 mi (5,952.79 km) |
| Sintra to Lynden (Washington) | 5,127.82 mi (8,252.42 km) |
| Sintra to Lyndhurst (Ohio) | 3,697.34 mi (5,950.29 km) |
| Sintra to Lyndon (Kentucky) | 3,988.34 mi (6,418.62 km) |
