| Szydlowiec to Smolyan | 691.27 mi (1,112.48 km) |
| Szydlowiec to Sofia | 600.98 mi (967.19 km) |
| Szydlowiec to Sopot | 620.70 mi (998.92 km) |
| Szydlowiec to Sozopol | 689.19 mi (1,109.14 km) |
| Szydlowiec to Sredets | 682.72 mi (1,098.73 km) |
| Szydlowiec to Stamboliyski | 652.32 mi (1,049.81 km) |
| Szydlowiec to Stara Zagora | 648.62 mi (1,043.85 km) |
| Szydlowiec to Svilengrad | 701.36 mi (1,128.72 km) |
| Szydlowiec to Svishtov | 566.47 mi (911.64 km) |
| Szydlowiec to Targovishte | 613.21 mi (986.86 km) |
| Szydlowiec to Teteven | 596.52 mi (960.00 km) |
| Szydlowiec to Troyan | 604.74 mi (973.23 km) |
| Szydlowiec to Tryavna | 617.80 mi (994.26 km) |
| Szydlowiec to Tutrakan | 563.85 mi (907.43 km) |
| Szydlowiec to Varna | 644.88 mi (1,037.83 km) |
