| Key West to Los Llanos de Aridane | 3,909.49 mi (6,291.72 km) |
| Key West to Los Palacios y Villafranca | 4,466.35 mi (7,187.90 km) |
| Key West to Luanco | 4,387.48 mi (7,060.96 km) |
| Key West to Lucena | 4,539.89 mi (7,306.25 km) |
| Key West to Lugo | 4,306.68 mi (6,930.92 km) |
| Key West to Lumbreras | 4,679.60 mi (7,531.09 km) |
| Key West to Madrid | 4,534.65 mi (7,297.81 km) |
| Key West to Madridejos | 4,557.76 mi (7,335.00 km) |
| Key West to Mahon | 4,950.74 mi (7,967.44 km) |
| Key West to Mairena del Alcor | 4,473.52 mi (7,199.43 km) |
| Key West to Mairena del Aljarafe | 4,456.14 mi (7,171.47 km) |
| Key West to Majadahonda | 4,525.15 mi (7,282.53 km) |
| Key West to Malaga | 4,554.19 mi (7,329.26 km) |
| Key West to Malgrat de Mar | 4,840.19 mi (7,789.54 km) |
| Key West to Manacor | 4,903.45 mi (7,891.35 km) |
