| Sintra to Los Alamos (New Mexico) | 5,047.31 mi (8,122.87 km) |
| Sintra to Los Altos (California) | 5,657.56 mi (9,104.96 km) |
| Sintra to Los Angeles (California) | 5,657.73 mi (9,105.24 km) |
| Sintra to Los Banos (California) | 5,621.54 mi (9,046.99 km) |
| Sintra to Los Gatos (California) | 5,658.51 mi (9,106.49 km) |
| Sintra to Los Lunas (New Mexico) | 5,113.95 mi (8,230.10 km) |
| Sintra to Los Osos (California) | 5,703.47 mi (9,178.85 km) |
| Sintra to Loudoun Valley Estates (Virginia) | 3,571.29 mi (5,747.43 km) |
| Sintra to Louisville (Colorado) | 4,833.99 mi (7,779.55 km) |
| Sintra to Louisville (Kentucky) | 3,994.26 mi (6,428.14 km) |
| Sintra to Lovejoy (Georgia) | 4,079.43 mi (6,565.21 km) |
| Sintra to Loveland (Colorado) | 4,813.08 mi (7,745.90 km) |
| Sintra to Loveland (Ohio) | 3,894.30 mi (6,267.27 km) |
| Sintra to Loves Park (Illinois) | 4,026.12 mi (6,479.42 km) |
| Sintra to Lovington (New Mexico) | 5,030.77 mi (8,096.25 km) |
