| Idar-Oberstein to Dabuleni | 890.35 mi (1,432.88 km) |
| Idar-Oberstein to Darabani | 878.53 mi (1,413.85 km) |
| Idar-Oberstein to Darmanesti | 912.23 mi (1,468.10 km) |
| Idar-Oberstein to Dej | 776.24 mi (1,249.24 km) |
| Idar-Oberstein to Deva | 769.32 mi (1,238.10 km) |
| Idar-Oberstein to Dolhasca | 893.57 mi (1,438.07 km) |
| Idar-Oberstein to Dorohoi | 874.01 mi (1,406.58 km) |
| Idar-Oberstein to Draganesti-Olt | 895.17 mi (1,440.63 km) |
| Idar-Oberstein to Dragasani | 866.45 mi (1,394.41 km) |
| Idar-Oberstein to Drobeta-Turnu Severin | 799.27 mi (1,286.30 km) |
| Idar-Oberstein to Fagaras | 860.06 mi (1,384.13 km) |
| Idar-Oberstein to Falticeni | 879.16 mi (1,414.88 km) |
| Idar-Oberstein to Fetesti | 1,028.34 mi (1,654.96 km) |
| Idar-Oberstein to Filiasi | 844.24 mi (1,358.68 km) |
| Idar-Oberstein to Flamanzi | 902.63 mi (1,452.65 km) |
