| Mechernich to Dormagen | 35.30 mi (56.82 km) |
| Mechernich to Dornstadt | 208.43 mi (335.44 km) |
| Mechernich to Dorsten | 74.50 mi (119.89 km) |
| Mechernich to Dortmund | 72.59 mi (116.82 km) |
| Mechernich to Dorverden | 190.74 mi (306.97 km) |
| Mechernich to Dossenheim | 119.91 mi (192.97 km) |
| Mechernich to Dreieich | 99.52 mi (160.16 km) |
| Mechernich to Drensteinfurt | 95.05 mi (152.96 km) |
| Mechernich to Dresden | 310.88 mi (500.32 km) |
| Mechernich to Drochtersen | 243.48 mi (391.85 km) |
| Mechernich to Drolshagen | 57.21 mi (92.06 km) |
| Mechernich to Duderstadt | 168.95 mi (271.89 km) |
| Mechernich to Duisburg | 57.88 mi (93.15 km) |
| Mechernich to Dulmen | 89.28 mi (143.68 km) |
| Mechernich to Duren | 15.63 mi (25.15 km) |
