| Helensburgh to Delitzsch | 760.58 mi (1,224.03 km) |
| Helensburgh to Delmenhorst | 572.51 mi (921.37 km) |
| Helensburgh to Demmin | 718.00 mi (1,155.51 km) |
| Helensburgh to Denkendorf | 776.80 mi (1,250.14 km) |
| Helensburgh to Denzlingen | 765.24 mi (1,231.53 km) |
| Helensburgh to Dessau-Rosslau | 745.90 mi (1,200.40 km) |
| Helensburgh to Detmold | 619.48 mi (996.96 km) |
| Helensburgh to Dettingen an der Erms | 786.00 mi (1,264.95 km) |
| Helensburgh to Dieburg | 703.83 mi (1,132.71 km) |
| Helensburgh to Diedorf | 840.40 mi (1,352.50 km) |
| Helensburgh to Dielheim | 729.40 mi (1,173.85 km) |
| Helensburgh to Diepholz | 577.17 mi (928.86 km) |
| Helensburgh to Diessen am Ammersee | 870.85 mi (1,401.50 km) |
| Helensburgh to Dietzenbach | 696.24 mi (1,120.49 km) |
| Helensburgh to Diez | 654.61 mi (1,053.49 km) |
