| Strongsville to Smolyan | 5,101.94 mi (8,210.79 km) |
| Strongsville to Sofia | 4,998.37 mi (8,044.09 km) |
| Strongsville to Sopot | 5,055.19 mi (8,135.55 km) |
| Strongsville to Sozopol | 5,177.53 mi (8,332.43 km) |
| Strongsville to Sredets | 5,161.91 mi (8,307.30 km) |
| Strongsville to Stamboliyski | 5,070.41 mi (8,160.03 km) |
| Strongsville to Stara Zagora | 5,099.43 mi (8,206.74 km) |
| Strongsville to Svilengrad | 5,151.20 mi (8,290.05 km) |
| Strongsville to Svishtov | 5,033.87 mi (8,101.23 km) |
| Strongsville to Targovishte | 5,096.92 mi (8,202.70 km) |
| Strongsville to Teteven | 5,024.61 mi (8,086.33 km) |
| Strongsville to Troyan | 5,043.31 mi (8,116.42 km) |
| Strongsville to Tryavna | 5,073.82 mi (8,165.53 km) |
| Strongsville to Tutrakan | 5,061.18 mi (8,145.18 km) |
| Strongsville to Varna | 5,148.01 mi (8,284.92 km) |
