| Sintra to Los Palacios y Villafranca | 219.93 mi (353.94 km) |
| Sintra to Luanco | 381.31 mi (613.67 km) |
| Sintra to Lucena | 283.63 mi (456.46 km) |
| Sintra to Lugo | 306.78 mi (493.72 km) |
| Sintra to Lumbreras | 420.37 mi (676.52 km) |
| Sintra to Madrid | 322.52 mi (519.05 km) |
| Sintra to Madridejos | 317.11 mi (510.34 km) |
| Sintra to Mahon | 732.65 mi (1,179.09 km) |
| Sintra to Mairena del Alcor | 222.03 mi (357.32 km) |
| Sintra to Mairena del Aljarafe | 207.12 mi (333.32 km) |
| Sintra to Majadahonda | 315.39 mi (507.58 km) |
| Sintra to Malaga | 307.02 mi (494.10 km) |
| Sintra to Malgrat de Mar | 668.85 mi (1,076.40 km) |
| Sintra to Manacor | 676.19 mi (1,088.22 km) |
| Sintra to Mancha Real | 320.87 mi (516.39 km) |
