| Koscierzyna to Smolyan | 919.26 mi (1,479.40 km) |
| Koscierzyna to Sofia | 825.46 mi (1,328.45 km) |
| Koscierzyna to Sopot | 850.00 mi (1,367.94 km) |
| Koscierzyna to Sozopol | 921.75 mi (1,483.42 km) |
| Koscierzyna to Sredets | 915.24 mi (1,472.94 km) |
| Koscierzyna to Stamboliyski | 880.43 mi (1,416.92 km) |
| Koscierzyna to Stara Zagora | 879.65 mi (1,415.65 km) |
| Koscierzyna to Svilengrad | 932.73 mi (1,501.09 km) |
| Koscierzyna to Svishtov | 797.99 mi (1,284.24 km) |
| Koscierzyna to Targovishte | 845.70 mi (1,361.02 km) |
| Koscierzyna to Teteven | 824.75 mi (1,327.31 km) |
| Koscierzyna to Troyan | 834.21 mi (1,342.53 km) |
| Koscierzyna to Tryavna | 848.94 mi (1,366.24 km) |
| Koscierzyna to Tutrakan | 796.42 mi (1,281.72 km) |
| Koscierzyna to Varna | 877.11 mi (1,411.58 km) |
