| Ardahan to Delitzsch | 1,601.88 mi (2,577.98 km) |
| Ardahan to Delmenhorst | 1,779.81 mi (2,864.33 km) |
| Ardahan to Demmin | 1,624.07 mi (2,613.68 km) |
| Ardahan to Denkendorf | 1,700.11 mi (2,736.07 km) |
| Ardahan to Denzlingen | 1,762.75 mi (2,836.87 km) |
| Ardahan to Dessau-Rosslau | 1,611.88 mi (2,594.08 km) |
| Ardahan to Detmold | 1,752.47 mi (2,820.33 km) |
| Ardahan to Dettingen an der Erms | 1,697.73 mi (2,732.24 km) |
| Ardahan to Dieburg | 1,730.33 mi (2,784.70 km) |
| Ardahan to Diedorf | 1,631.79 mi (2,626.11 km) |
| Ardahan to Dielheim | 1,730.43 mi (2,784.86 km) |
| Ardahan to Diepholz | 1,783.41 mi (2,870.12 km) |
| Ardahan to Diessen am Ammersee | 1,613.83 mi (2,597.20 km) |
| Ardahan to Dietzenbach | 1,734.33 mi (2,791.14 km) |
| Ardahan to Diez | 1,771.24 mi (2,850.54 km) |
