| Donaueschingen to Dabuleni | 801.10 mi (1,289.24 km) |
| Donaueschingen to Darabani | 833.25 mi (1,340.99 km) |
| Donaueschingen to Darmanesti | 849.59 mi (1,367.28 km) |
| Donaueschingen to Dej | 715.32 mi (1,151.20 km) |
| Donaueschingen to Deva | 693.99 mi (1,116.87 km) |
| Donaueschingen to Dolhasca | 840.92 mi (1,353.33 km) |
| Donaueschingen to Dorohoi | 826.23 mi (1,329.69 km) |
| Donaueschingen to Draganesti-Olt | 809.82 mi (1,303.29 km) |
| Donaueschingen to Dragasani | 784.11 mi (1,261.90 km) |
| Donaueschingen to Drobeta-Turnu Severin | 712.04 mi (1,145.91 km) |
| Donaueschingen to Fagaras | 789.53 mi (1,270.63 km) |
| Donaueschingen to Falticeni | 826.32 mi (1,329.84 km) |
| Donaueschingen to Fetesti | 953.18 mi (1,533.99 km) |
| Donaueschingen to Filiasi | 757.75 mi (1,219.48 km) |
| Donaueschingen to Flamanzi | 851.50 mi (1,370.36 km) |
