| Cities | Distance |
|---|---|
| Sierning to Karnobat | 718.82 mi (1,156.83 km) |
| Sierning to Kavarna | 746.06 mi (1,200.67 km) |
| Sierning to Kazanlak | 655.35 mi (1,054.69 km) |
| Sierning to Knezha | 565.41 mi (909.94 km) |
| Sierning to Kostinbrod | 562.38 mi (905.06 km) |
| Sierning to Kozloduy | 539.68 mi (868.53 km) |
| Sierning to Kyustendil | 569.34 mi (916.26 km) |
| Sierning to Levski | 613.31 mi (987.03 km) |
| Sierning to Lom | 518.14 mi (833.86 km) |
| Sierning to Lovech | 606.05 mi (975.35 km) |
| Sierning to Lukovit | 581.44 mi (935.73 km) |
| Sierning to Lyaskovets | 647.92 mi (1,042.72 km) |
| Sierning to Mezdra | 565.41 mi (909.95 km) |
| Sierning to Momchilgrad | 705.19 mi (1,134.90 km) |
| Sierning to Montana | 535.54 mi (861.88 km) |