| Southfield to Smolyan | 5,102.86 mi (8,212.26 km) |
| Southfield to Sofia | 4,998.97 mi (8,045.07 km) |
| Southfield to Sopot | 5,054.49 mi (8,134.42 km) |
| Southfield to Sozopol | 5,174.24 mi (8,327.14 km) |
| Southfield to Sredets | 5,159.22 mi (8,302.96 km) |
| Southfield to Stamboliyski | 5,070.68 mi (8,160.47 km) |
| Southfield to Stara Zagora | 5,098.16 mi (8,204.70 km) |
| Southfield to Svilengrad | 5,150.34 mi (8,288.68 km) |
| Southfield to Svishtov | 5,031.16 mi (8,096.86 km) |
| Southfield to Targovishte | 5,093.55 mi (8,197.27 km) |
| Southfield to Teteven | 5,023.98 mi (8,085.32 km) |
| Southfield to Troyan | 5,042.29 mi (8,114.78 km) |
| Southfield to Tryavna | 5,072.07 mi (8,162.70 km) |
| Southfield to Tutrakan | 5,056.61 mi (8,137.82 km) |
| Southfield to Varna | 5,143.36 mi (8,277.44 km) |
