| Siemianowice Slaskie to Smolyan | 659.91 mi (1,062.02 km) |
| Siemianowice Slaskie to Sofia | 562.51 mi (905.27 km) |
| Siemianowice Slaskie to Sopot | 593.60 mi (955.31 km) |
| Siemianowice Slaskie to Sozopol | 682.84 mi (1,098.92 km) |
| Siemianowice Slaskie to Sredets | 672.59 mi (1,082.42 km) |
| Siemianowice Slaskie to Stamboliyski | 621.57 mi (1,000.32 km) |
| Siemianowice Slaskie to Stara Zagora | 627.60 mi (1,010.02 km) |
| Siemianowice Slaskie to Svilengrad | 681.50 mi (1,096.76 km) |
| Siemianowice Slaskie to Svishtov | 548.91 mi (883.39 km) |
| Siemianowice Slaskie to Targovishte | 603.44 mi (971.14 km) |
| Siemianowice Slaskie to Teteven | 566.56 mi (911.80 km) |
| Siemianowice Slaskie to Troyan | 578.34 mi (930.76 km) |
| Siemianowice Slaskie to Tryavna | 597.62 mi (961.77 km) |
| Siemianowice Slaskie to Tutrakan | 559.35 mi (900.19 km) |
| Siemianowice Slaskie to Varna | 644.58 mi (1,037.36 km) |
