| Demir Hisar to Dabuleni | 231.12 mi (371.95 km) |
| Demir Hisar to Darabani | 548.84 mi (883.27 km) |
| Demir Hisar to Darmanesti | 442.30 mi (711.81 km) |
| Demir Hisar to Dej | 425.29 mi (684.44 km) |
| Demir Hisar to Deva | 332.98 mi (535.88 km) |
| Demir Hisar to Dolhasca | 505.16 mi (812.97 km) |
| Demir Hisar to Dorohoi | 530.90 mi (854.41 km) |
| Demir Hisar to Draganesti-Olt | 264.63 mi (425.88 km) |
| Demir Hisar to Dragasani | 283.53 mi (456.30 km) |
| Demir Hisar to Drobeta-Turnu Severin | 246.87 mi (397.30 km) |
| Demir Hisar to Fagaras | 371.04 mi (597.14 km) |
| Demir Hisar to Falticeni | 498.99 mi (803.05 km) |
| Demir Hisar to Fetesti | 401.41 mi (646.00 km) |
| Demir Hisar to Filiasi | 249.06 mi (400.82 km) |
| Demir Hisar to Flamanzi | 518.75 mi (834.85 km) |
