| Sandusky to Smolyan | 5,129.36 mi (8,254.91 km) |
| Sandusky to Sofia | 5,025.67 mi (8,088.04 km) |
| Sandusky to Sopot | 5,082.06 mi (8,178.78 km) |
| Sandusky to Sozopol | 5,203.51 mi (8,374.24 km) |
| Sandusky to Sredets | 5,188.10 mi (8,349.44 km) |
| Sandusky to Stamboliyski | 5,097.60 mi (8,203.80 km) |
| Sandusky to Stara Zagora | 5,126.10 mi (8,249.67 km) |
| Sandusky to Svilengrad | 5,178.02 mi (8,333.21 km) |
| Sandusky to Svishtov | 5,060.03 mi (8,143.34 km) |
| Sandusky to Targovishte | 5,122.86 mi (8,244.45 km) |
| Sandusky to Teteven | 5,051.50 mi (8,129.60 km) |
| Sandusky to Troyan | 5,070.06 mi (8,159.48 km) |
| Sandusky to Tryavna | 5,100.32 mi (8,208.18 km) |
| Sandusky to Tutrakan | 5,086.70 mi (8,186.25 km) |
| Sandusky to Varna | 5,173.51 mi (8,325.95 km) |
