| Cities | Distance |
|---|---|
| Sliven to Kikinda | 363.33 mi (584.72 km) |
| Sliven to Kladovo | 228.69 mi (368.04 km) |
| Sliven to Knic | 294.93 mi (474.65 km) |
| Sliven to Knjazevac | 204.69 mi (329.41 km) |
| Sliven to Koceljeva | 349.11 mi (561.84 km) |
| Sliven to Kosjeric | 334.92 mi (539.00 km) |
| Sliven to Kovacica | 330.07 mi (531.20 km) |
| Sliven to Kovin | 303.58 mi (488.56 km) |
| Sliven to Kragujevac | 286.12 mi (460.47 km) |
| Sliven to Kraljevo | 293.24 mi (471.93 km) |
| Sliven to Krupanj | 367.74 mi (591.82 km) |
| Sliven to Krusevac | 259.94 mi (418.34 km) |
| Sliven to Kucevo | 264.55 mi (425.75 km) |
| Sliven to Kula | 392.60 mi (631.82 km) |
| Sliven to Kursumlija | 258.23 mi (415.59 km) |