| Niederkassel to Los Palacios y Villafranca | 1,138.68 mi (1,832.53 km) |
| Niederkassel to Luanco | 779.22 mi (1,254.03 km) |
| Niederkassel to Lucena | 1,086.06 mi (1,747.84 km) |
| Niederkassel to Lugo | 871.51 mi (1,402.56 km) |
| Niederkassel to Lumbreras | 1,013.36 mi (1,630.84 km) |
| Niederkassel to Madrid | 884.36 mi (1,423.24 km) |
| Niederkassel to Madridejos | 936.11 mi (1,506.52 km) |
| Niederkassel to Mahon | 766.73 mi (1,233.94 km) |
| Niederkassel to Mairena del Alcor | 1,121.21 mi (1,804.42 km) |
| Niederkassel to Mairena del Aljarafe | 1,132.43 mi (1,822.47 km) |
| Niederkassel to Majadahonda | 885.85 mi (1,425.63 km) |
| Niederkassel to Malaga | 1,126.31 mi (1,812.63 km) |
| Niederkassel to Malgrat de Mar | 665.72 mi (1,071.37 km) |
| Niederkassel to Manacor | 798.79 mi (1,285.52 km) |
| Niederkassel to Mancha Real | 1,040.51 mi (1,674.53 km) |
