| Mechernich to Delitzsch | 255.26 mi (410.80 km) |
| Mechernich to Delmenhorst | 189.27 mi (304.60 km) |
| Mechernich to Demmin | 353.72 mi (569.26 km) |
| Mechernich to Denkendorf | 177.60 mi (285.82 km) |
| Mechernich to Denzlingen | 183.51 mi (295.33 km) |
| Mechernich to Dessau-Rosslau | 256.14 mi (412.22 km) |
| Mechernich to Detmold | 133.65 mi (215.08 km) |
| Mechernich to Dettingen an der Erms | 187.23 mi (301.32 km) |
| Mechernich to Dieburg | 108.56 mi (174.71 km) |
| Mechernich to Diedorf | 241.45 mi (388.57 km) |
| Mechernich to Dielheim | 129.91 mi (209.07 km) |
| Mechernich to Diepholz | 157.11 mi (252.85 km) |
| Mechernich to Diessen am Ammersee | 271.51 mi (436.95 km) |
| Mechernich to Dietzenbach | 102.40 mi (164.79 km) |
| Mechernich to Diez | 62.10 mi (99.93 km) |
