| Cities | Distance |
|---|---|
| Sierning to Sofia | 572.08 mi (920.68 km) |
| Sierning to Sopot | 628.34 mi (1,011.21 km) |
| Sierning to Sozopol | 757.21 mi (1,218.61 km) |
| Sierning to Sredets | 739.28 mi (1,189.75 km) |
| Sierning to Stamboliyski | 643.66 mi (1,035.88 km) |
| Sierning to Stara Zagora | 673.22 mi (1,083.44 km) |
| Sierning to Svilengrad | 724.40 mi (1,165.81 km) |
| Sierning to Svishtov | 612.42 mi (985.59 km) |
| Sierning to Targovishte | 677.97 mi (1,091.08 km) |
| Sierning to Teteven | 597.71 mi (961.93 km) |
| Sierning to Troyan | 616.79 mi (992.63 km) |
| Sierning to Tryavna | 648.71 mi (1,043.99 km) |
| Sierning to Tutrakan | 650.53 mi (1,046.93 km) |
| Sierning to Varna | 735.78 mi (1,184.13 km) |
| Sierning to Veliki Preslav | 690.96 mi (1,111.99 km) |