| Cities | Distance |
|---|
| Siran to Smolyan | 758.80 mi (1,221.17 km) |
| Siran to Sofia | 835.00 mi (1,343.80 km) |
| Siran to Sopot | 763.02 mi (1,227.96 km) |
| Siran to Sozopol | 612.21 mi (985.25 km) |
| Siran to Sredets | 636.51 mi (1,024.37 km) |
| Siran to Stamboliyski | 769.91 mi (1,239.04 km) |
| Siran to Stara Zagora | 715.56 mi (1,151.59 km) |
| Siran to Svilengrad | 682.36 mi (1,098.16 km) |
| Siran to Svishtov | 745.92 mi (1,200.44 km) |
| Siran to Targovishte | 679.78 mi (1,094.00 km) |
| Siran to Teteven | 789.95 mi (1,271.31 km) |
| Siran to Troyan | 767.09 mi (1,234.52 km) |
| Siran to Tryavna | 727.80 mi (1,171.28 km) |
| Siran to Tutrakan | 693.49 mi (1,116.07 km) |
| Siran to Varna | 614.34 mi (988.68 km) |
