| Constanta to Los Palacios y Villafranca | 1,859.69 mi (2,992.88 km) |
| Constanta to Luanco | 1,701.92 mi (2,738.98 km) |
| Constanta to Lucena | 1,781.24 mi (2,866.63 km) |
| Constanta to Lugo | 1,797.77 mi (2,893.23 km) |
| Constanta to Lumbreras | 1,644.15 mi (2,646.00 km) |
| Constanta to Madrid | 1,661.93 mi (2,674.61 km) |
| Constanta to Madridejos | 1,676.72 mi (2,698.42 km) |
| Constanta to Mahon | 1,280.03 mi (2,060.01 km) |
| Constanta to Mairena del Alcor | 1,844.09 mi (2,967.78 km) |
| Constanta to Mairena del Aljarafe | 1,861.60 mi (2,995.95 km) |
| Constanta to Majadahonda | 1,668.99 mi (2,685.98 km) |
| Constanta to Malaga | 1,798.97 mi (2,895.17 km) |
| Constanta to Malgrat de Mar | 1,316.26 mi (2,118.32 km) |
| Constanta to Manacor | 1,340.29 mi (2,156.99 km) |
| Constanta to Mancha Real | 1,726.73 mi (2,778.90 km) |
