| Sliven to Los Palacios y Villafranca | 1,740.07 mi (2,800.37 km) |
| Sliven to Luanco | 1,610.50 mi (2,591.86 km) |
| Sliven to Lucena | 1,660.63 mi (2,672.52 km) |
| Sliven to Lugo | 1,704.74 mi (2,743.51 km) |
| Sliven to Lumbreras | 1,520.62 mi (2,447.20 km) |
| Sliven to Madrid | 1,552.77 mi (2,498.94 km) |
| Sliven to Madridejos | 1,563.13 mi (2,515.61 km) |
| Sliven to Mahon | 1,158.50 mi (1,864.42 km) |
| Sliven to Mairena del Alcor | 1,724.96 mi (2,776.06 km) |
| Sliven to Mairena del Aljarafe | 1,742.77 mi (2,804.72 km) |
| Sliven to Majadahonda | 1,560.27 mi (2,511.02 km) |
| Sliven to Malaga | 1,675.86 mi (2,697.04 km) |
| Sliven to Malgrat de Mar | 1,206.35 mi (1,941.43 km) |
| Sliven to Manacor | 1,218.59 mi (1,961.14 km) |
| Sliven to Mancha Real | 1,606.42 mi (2,585.29 km) |
