| Boulder to Los Llanos de Aridane | 4,847.60 mi (7,801.46 km) |
| Boulder to Los Palacios y Villafranca | 5,055.37 mi (8,135.84 km) |
| Boulder to Luanco | 4,792.56 mi (7,712.88 km) |
| Boulder to Lucena | 5,107.51 mi (8,219.75 km) |
| Boulder to Lugo | 4,744.79 mi (7,636.01 km) |
| Boulder to Lumbreras | 5,214.29 mi (8,391.59 km) |
| Boulder to Madrid | 5,011.20 mi (8,064.75 km) |
| Boulder to Madridejos | 5,058.95 mi (8,141.60 km) |
| Boulder to Mahon | 5,355.92 mi (8,619.53 km) |
| Boulder to Mairena del Alcor | 5,054.99 mi (8,135.23 km) |
| Boulder to Mairena del Aljarafe | 5,041.95 mi (8,114.23 km) |
| Boulder to Majadahonda | 5,001.83 mi (8,049.67 km) |
| Boulder to Malaga | 5,139.56 mi (8,271.31 km) |
| Boulder to Malgrat de Mar | 5,215.72 mi (8,393.89 km) |
| Boulder to Manacor | 5,329.10 mi (8,576.35 km) |
