| Cities | Distance |
|---|---|
| Sliven to Dabuleni | 136.71 mi (220.01 km) |
| Sliven to Darabani | 380.43 mi (612.24 km) |
| Sliven to Darmanesti | 254.83 mi (410.11 km) |
| Sliven to Dej | 328.44 mi (528.57 km) |
| Sliven to Deva | 278.02 mi (447.43 km) |
| Sliven to Dolhasca | 328.26 mi (528.29 km) |
| Sliven to Dorohoi | 364.58 mi (586.73 km) |
| Sliven to Draganesti-Olt | 136.87 mi (220.27 km) |
| Sliven to Dragasani | 171.46 mi (275.94 km) |
| Sliven to Drobeta-Turnu Severin | 228.11 mi (367.11 km) |
| Sliven to Fagaras | 228.54 mi (367.80 km) |
| Sliven to Falticeni | 330.02 mi (531.12 km) |
| Sliven to Fetesti | 141.01 mi (226.93 km) |
| Sliven to Filiasi | 184.16 mi (296.38 km) |
| Sliven to Flamanzi | 337.26 mi (542.76 km) |