| Heilbad Heiligenstadt to Dabuleni | 832.42 mi (1,339.65 km) |
| Heilbad Heiligenstadt to Darabani | 764.45 mi (1,230.27 km) |
| Heilbad Heiligenstadt to Darmanesti | 816.92 mi (1,314.71 km) |
| Heilbad Heiligenstadt to Dej | 682.78 mi (1,098.83 km) |
| Heilbad Heiligenstadt to Deva | 694.82 mi (1,118.20 km) |
| Heilbad Heiligenstadt to Dolhasca | 787.10 mi (1,266.72 km) |
| Heilbad Heiligenstadt to Dorohoi | 762.68 mi (1,227.42 km) |
| Heilbad Heiligenstadt to Draganesti-Olt | 831.05 mi (1,337.45 km) |
| Heilbad Heiligenstadt to Dragasani | 798.68 mi (1,285.35 km) |
| Heilbad Heiligenstadt to Drobeta-Turnu Severin | 741.07 mi (1,192.63 km) |
| Heilbad Heiligenstadt to Fagaras | 776.10 mi (1,249.00 km) |
| Heilbad Heiligenstadt to Falticeni | 773.25 mi (1,244.42 km) |
| Heilbad Heiligenstadt to Fetesti | 946.51 mi (1,523.27 km) |
| Heilbad Heiligenstadt to Filiasi | 783.39 mi (1,260.75 km) |
| Heilbad Heiligenstadt to Flamanzi | 794.27 mi (1,278.25 km) |
