| Mechernich to Lichtenau | 119.00 mi (191.51 km) |
| Mechernich to Lichtenfels | 195.83 mi (315.15 km) |
| Mechernich to Lichtenstein | 262.05 mi (421.72 km) |
| Mechernich to Lienen | 121.12 mi (194.93 km) |
| Mechernich to Limbach-Oberfrohna | 267.32 mi (430.21 km) |
| Mechernich to Limburg | 64.05 mi (103.07 km) |
| Mechernich to Limburgerhof | 112.26 mi (180.67 km) |
| Mechernich to Lindau | 251.71 mi (405.08 km) |
| Mechernich to Lindenberg im Allgau | 254.07 mi (408.89 km) |
| Mechernich to Lindlar | 43.06 mi (69.29 km) |
| Mechernich to Lingen | 135.98 mi (218.84 km) |
| Mechernich to Linkenheim-Hochstetten | 128.50 mi (206.81 km) |
| Mechernich to Linnich | 31.05 mi (49.97 km) |
| Mechernich to Lippstadt | 104.23 mi (167.74 km) |
| Mechernich to Lobau | 351.21 mi (565.23 km) |
