| Mechernich to Dillenburg | 72.12 mi (116.06 km) |
| Mechernich to Dillingen | 221.24 mi (356.05 km) |
| Mechernich to Dillingen | 86.45 mi (139.12 km) |
| Mechernich to Dingolfing | 294.92 mi (474.62 km) |
| Mechernich to Dinkelsbuhl | 194.65 mi (313.26 km) |
| Mechernich to Dinklage | 156.31 mi (251.56 km) |
| Mechernich to Dinslaken | 66.89 mi (107.65 km) |
| Mechernich to Dippoldiswalde | 307.31 mi (494.57 km) |
| Mechernich to Ditzingen | 163.31 mi (262.82 km) |
| Mechernich to Dobeln | 284.04 mi (457.12 km) |
| Mechernich to Doberlug-Kirchhain | 308.03 mi (495.73 km) |
| Mechernich to Donaueschingen | 201.04 mi (323.55 km) |
| Mechernich to Donauworth | 227.32 mi (365.84 km) |
| Mechernich to Donzdorf | 193.91 mi (312.06 km) |
| Mechernich to Dorfen | 294.95 mi (474.68 km) |
