| Duchcov to Dabuleni | 674.67 mi (1,085.78 km) |
| Duchcov to Darabani | 600.31 mi (966.11 km) |
| Duchcov to Darmanesti | 651.20 mi (1,048.01 km) |
| Duchcov to Dej | 517.30 mi (832.52 km) |
| Duchcov to Deva | 532.83 mi (857.50 km) |
| Duchcov to Dolhasca | 621.75 mi (1,000.61 km) |
| Duchcov to Dorohoi | 597.98 mi (962.36 km) |
| Duchcov to Draganesti-Olt | 671.18 mi (1,080.16 km) |
| Duchcov to Dragasani | 637.89 mi (1,026.58 km) |
| Duchcov to Drobeta-Turnu Severin | 584.14 mi (940.09 km) |
| Duchcov to Fagaras | 611.58 mi (984.25 km) |
| Duchcov to Falticeni | 607.83 mi (978.20 km) |
| Duchcov to Fetesti | 781.91 mi (1,258.36 km) |
| Duchcov to Filiasi | 625.02 mi (1,005.88 km) |
| Duchcov to Flamanzi | 629.16 mi (1,012.53 km) |
