| Helston to Dillenburg | 597.46 mi (961.52 km) |
| Helston to Dillingen | 715.05 mi (1,150.76 km) |
| Helston to Dillingen | 538.05 mi (865.90 km) |
| Helston to Dingolfing | 804.00 mi (1,293.92 km) |
| Helston to Dinkelsbuhl | 700.63 mi (1,127.56 km) |
| Helston to Dinklage | 603.53 mi (971.29 km) |
| Helston to Dinslaken | 532.87 mi (857.57 km) |
| Helston to Dippoldiswalde | 831.81 mi (1,338.67 km) |
| Helston to Ditzingen | 648.76 mi (1,044.08 km) |
| Helston to Dobeln | 806.97 mi (1,298.70 km) |
| Helston to Doberlug-Kirchhain | 825.86 mi (1,329.10 km) |
| Helston to Donaueschingen | 640.38 mi (1,030.59 km) |
| Helston to Donauworth | 727.57 mi (1,170.91 km) |
| Helston to Donzdorf | 684.29 mi (1,101.26 km) |
| Helston to Dorfen | 794.97 mi (1,279.38 km) |
