| Karlovo to Dabuleni | 87.71 mi (141.15 km) |
| Karlovo to Darabani | 392.57 mi (631.78 km) |
| Karlovo to Darmanesti | 270.32 mi (435.04 km) |
| Karlovo to Dej | 310.91 mi (500.36 km) |
| Karlovo to Deva | 242.30 mi (389.94 km) |
| Karlovo to Dolhasca | 342.21 mi (550.73 km) |
| Karlovo to Dorohoi | 375.35 mi (604.06 km) |
| Karlovo to Draganesti-Olt | 106.36 mi (171.17 km) |
| Karlovo to Dragasani | 142.05 mi (228.60 km) |
| Karlovo to Drobeta-Turnu Severin | 174.73 mi (281.20 km) |
| Karlovo to Fagaras | 221.33 mi (356.19 km) |
| Karlovo to Falticeni | 340.63 mi (548.19 km) |
| Karlovo to Fetesti | 194.43 mi (312.90 km) |
| Karlovo to Filiasi | 137.42 mi (221.16 km) |
| Karlovo to Flamanzi | 353.53 mi (568.96 km) |
