| Mechernich to Isny im Allgau | 252.61 mi (406.53 km) |
| Mechernich to Isselburg | 85.57 mi (137.71 km) |
| Mechernich to Issum | 65.61 mi (105.59 km) |
| Mechernich to Itzehoe | 259.70 mi (417.95 km) |
| Mechernich to Jena | 216.86 mi (349.01 km) |
| Mechernich to Jever | 212.25 mi (341.59 km) |
| Mechernich to Jork | 240.13 mi (386.46 km) |
| Mechernich to Juchen | 35.22 mi (56.68 km) |
| Mechernich to Julich | 25.65 mi (41.29 km) |
| Mechernich to Juterbog | 293.59 mi (472.49 km) |
| Mechernich to Kaarst | 42.63 mi (68.61 km) |
| Mechernich to Kaiserslautern | 94.01 mi (151.30 km) |
| Mechernich to Kalkar | 80.20 mi (129.07 km) |
| Mechernich to Kall | 5.61 mi (9.02 km) |
| Mechernich to Kaltenkirchen | 264.02 mi (424.89 km) |
