| Harmanli to Delmenhorst | 1,108.13 mi (1,783.36 km) |
| Harmanli to Demmin | 1,015.73 mi (1,634.67 km) |
| Harmanli to Denkendorf | 928.50 mi (1,494.27 km) |
| Harmanli to Denzlingen | 973.84 mi (1,567.25 km) |
| Harmanli to Dessau-Rosslau | 937.44 mi (1,508.66 km) |
| Harmanli to Detmold | 1,054.77 mi (1,697.48 km) |
| Harmanli to Dettingen an der Erms | 922.65 mi (1,484.86 km) |
| Harmanli to Dieburg | 983.65 mi (1,583.04 km) |
| Harmanli to Diedorf | 858.27 mi (1,381.25 km) |
| Harmanli to Dielheim | 969.38 mi (1,560.06 km) |
| Harmanli to Diepholz | 1,098.90 mi (1,768.51 km) |
| Harmanli to Diessen am Ammersee | 832.67 mi (1,340.06 km) |
| Harmanli to Dietzenbach | 990.02 mi (1,593.28 km) |
| Harmanli to Diez | 1,031.45 mi (1,659.95 km) |
| Harmanli to Dillenburg | 1,033.02 mi (1,662.48 km) |
