| Schaffhausen to Smolyan | 893.38 mi (1,437.76 km) |
| Schaffhausen to Sofia | 792.83 mi (1,275.94 km) |
| Schaffhausen to Sopot | 856.91 mi (1,379.07 km) |
| Schaffhausen to Sozopol | 996.37 mi (1,603.50 km) |
| Schaffhausen to Sredets | 976.09 mi (1,570.86 km) |
| Schaffhausen to Stamboliyski | 865.62 mi (1,393.08 km) |
| Schaffhausen to Stara Zagora | 904.16 mi (1,455.10 km) |
| Schaffhausen to Svilengrad | 951.83 mi (1,531.83 km) |
| Schaffhausen to Svishtov | 853.10 mi (1,372.93 km) |
| Schaffhausen to Targovishte | 919.86 mi (1,480.38 km) |
| Schaffhausen to Teteven | 826.53 mi (1,330.17 km) |
| Schaffhausen to Troyan | 847.60 mi (1,364.08 km) |
| Schaffhausen to Tryavna | 883.04 mi (1,421.12 km) |
| Schaffhausen to Tutrakan | 898.74 mi (1,446.38 km) |
| Schaffhausen to Varna | 981.48 mi (1,579.55 km) |
