| Cities | Distance |
|---|
| Siedlce to Smolyan | 739.96 mi (1,190.84 km) |
| Siedlce to Sofia | 655.82 mi (1,055.44 km) |
| Siedlce to Sopot | 667.45 mi (1,074.16 km) |
| Siedlce to Sozopol | 719.48 mi (1,157.89 km) |
| Siedlce to Sredets | 716.03 mi (1,152.34 km) |
| Siedlce to Stamboliyski | 701.13 mi (1,128.36 km) |
| Siedlce to Stara Zagora | 690.58 mi (1,111.38 km) |
| Siedlce to Svilengrad | 741.66 mi (1,193.59 km) |
| Siedlce to Svishtov | 607.46 mi (977.61 km) |
| Siedlce to Targovishte | 647.47 mi (1,042.01 km) |
| Siedlce to Teteven | 645.67 mi (1,039.11 km) |
| Siedlce to Troyan | 651.27 mi (1,048.12 km) |
| Siedlce to Tryavna | 659.69 mi (1,061.67 km) |
| Siedlce to Tutrakan | 595.18 mi (957.85 km) |
| Siedlce to Varna | 671.20 mi (1,080.19 km) |
