| Ardahan to Dillenburg | 1,763.18 mi (2,837.56 km) |
| Ardahan to Dillingen | 1,647.01 mi (2,650.61 km) |
| Ardahan to Dillingen | 1,820.62 mi (2,930.00 km) |
| Ardahan to Dingolfing | 1,555.39 mi (2,503.16 km) |
| Ardahan to Dinkelsbuhl | 1,657.65 mi (2,667.73 km) |
| Ardahan to Dinklage | 1,794.03 mi (2,887.22 km) |
| Ardahan to Dinslaken | 1,838.36 mi (2,958.55 km) |
| Ardahan to Dippoldiswalde | 1,535.32 mi (2,470.87 km) |
| Ardahan to Ditzingen | 1,712.33 mi (2,755.73 km) |
| Ardahan to Dobeln | 1,562.58 mi (2,514.74 km) |
| Ardahan to Doberlug-Kirchhain | 1,552.90 mi (2,499.15 km) |
| Ardahan to Donaueschingen | 1,733.69 mi (2,790.11 km) |
| Ardahan to Donauworth | 1,632.91 mi (2,627.91 km) |
| Ardahan to Donzdorf | 1,677.37 mi (2,699.46 km) |
| Ardahan to Dorfen | 1,567.97 mi (2,523.41 km) |
