| Harmanli to Dillingen | 877.13 mi (1,411.61 km) |
| Harmanli to Dillingen | 1,053.94 mi (1,696.15 km) |
| Harmanli to Dingolfing | 797.32 mi (1,283.16 km) |
| Harmanli to Dinkelsbuhl | 898.71 mi (1,446.33 km) |
| Harmanli to Dinklage | 1,109.42 mi (1,785.44 km) |
| Harmanli to Dinslaken | 1,119.72 mi (1,802.01 km) |
| Harmanli to Dippoldiswalde | 848.05 mi (1,364.81 km) |
| Harmanli to Ditzingen | 942.60 mi (1,516.97 km) |
| Harmanli to Dobeln | 876.42 mi (1,410.46 km) |
| Harmanli to Doberlug-Kirchhain | 885.42 mi (1,424.94 km) |
| Harmanli to Donaueschingen | 944.13 mi (1,519.43 km) |
| Harmanli to Donauworth | 867.58 mi (1,396.24 km) |
| Harmanli to Donzdorf | 907.41 mi (1,460.34 km) |
| Harmanli to Dorfen | 798.92 mi (1,285.73 km) |
| Harmanli to Dormagen | 1,101.26 mi (1,772.30 km) |
