| Helensburgh to Curtea de Arges | 1,476.89 mi (2,376.82 km) |
| Helensburgh to Dabuleni | 1,518.06 mi (2,443.08 km) |
| Helensburgh to Darabani | 1,419.90 mi (2,285.12 km) |
| Helensburgh to Darmanesti | 1,489.66 mi (2,397.38 km) |
| Helensburgh to Dej | 1,359.17 mi (2,187.38 km) |
| Helensburgh to Deva | 1,378.85 mi (2,219.05 km) |
| Helensburgh to Dolhasca | 1,450.60 mi (2,334.51 km) |
| Helensburgh to Dorohoi | 1,421.54 mi (2,287.74 km) |
| Helensburgh to Draganesti-Olt | 1,516.34 mi (2,440.32 km) |
| Helensburgh to Dragasani | 1,483.56 mi (2,387.56 km) |
| Helensburgh to Drobeta-Turnu Severin | 1,426.69 mi (2,296.04 km) |
| Helensburgh to Fagaras | 1,456.19 mi (2,343.51 km) |
| Helensburgh to Falticeni | 1,437.68 mi (2,313.73 km) |
| Helensburgh to Fetesti | 1,625.98 mi (2,616.76 km) |
| Helensburgh to Filiasi | 1,468.98 mi (2,364.10 km) |
