| Sokolow Podlaski to Smolyan | 756.11 mi (1,216.84 km) |
| Sokolow Podlaski to Sofia | 672.07 mi (1,081.60 km) |
| Sokolow Podlaski to Sopot | 683.57 mi (1,100.10 km) |
| Sokolow Podlaski to Sozopol | 734.82 mi (1,182.58 km) |
| Sokolow Podlaski to Sredets | 731.56 mi (1,177.32 km) |
| Sokolow Podlaski to Stamboliyski | 717.30 mi (1,154.38 km) |
| Sokolow Podlaski to Stara Zagora | 706.53 mi (1,137.05 km) |
| Sokolow Podlaski to Svilengrad | 757.53 mi (1,219.13 km) |
| Sokolow Podlaski to Svishtov | 623.40 mi (1,003.27 km) |
| Sokolow Podlaski to Targovishte | 663.08 mi (1,067.13 km) |
| Sokolow Podlaski to Teteven | 661.85 mi (1,065.14 km) |
| Sokolow Podlaski to Troyan | 667.39 mi (1,074.05 km) |
| Sokolow Podlaski to Tryavna | 675.65 mi (1,087.35 km) |
| Sokolow Podlaski to Tutrakan | 610.65 mi (982.75 km) |
| Sokolow Podlaski to Varna | 686.31 mi (1,104.51 km) |
