| Szczecinek to Smolyan | 916.25 mi (1,474.56 km) |
| Szczecinek to Sofia | 819.53 mi (1,318.90 km) |
| Szczecinek to Sopot | 848.88 mi (1,366.14 km) |
| Szczecinek to Sozopol | 929.47 mi (1,495.84 km) |
| Szczecinek to Sredets | 921.34 mi (1,482.76 km) |
| Szczecinek to Stamboliyski | 877.73 mi (1,412.57 km) |
| Szczecinek to Stara Zagora | 881.09 mi (1,417.99 km) |
| Szczecinek to Svilengrad | 934.72 mi (1,504.29 km) |
| Szczecinek to Svishtov | 800.77 mi (1,288.72 km) |
| Szczecinek to Targovishte | 851.77 mi (1,370.78 km) |
| Szczecinek to Teteven | 822.44 mi (1,323.60 km) |
| Szczecinek to Troyan | 833.39 mi (1,341.22 km) |
| Szczecinek to Tryavna | 850.71 mi (1,369.09 km) |
| Szczecinek to Tutrakan | 804.43 mi (1,294.61 km) |
| Szczecinek to Varna | 887.19 mi (1,427.80 km) |
