| Twinsburg to Smolyan | 5,086.54 mi (8,185.99 km) |
| Twinsburg to Sofia | 4,983.00 mi (8,019.37 km) |
| Twinsburg to Sopot | 5,039.98 mi (8,111.07 km) |
| Twinsburg to Sozopol | 5,162.63 mi (8,308.45 km) |
| Twinsburg to Sredets | 5,146.94 mi (8,283.19 km) |
| Twinsburg to Stamboliyski | 5,055.08 mi (8,135.36 km) |
| Twinsburg to Stara Zagora | 5,084.29 mi (8,182.37 km) |
| Twinsburg to Svilengrad | 5,136.00 mi (8,265.59 km) |
| Twinsburg to Svishtov | 5,018.90 mi (8,077.14 km) |
| Twinsburg to Targovishte | 5,082.03 mi (8,178.74 km) |
| Twinsburg to Teteven | 5,009.39 mi (8,061.84 km) |
| Twinsburg to Troyan | 5,028.13 mi (8,092.00 km) |
| Twinsburg to Tryavna | 5,058.74 mi (8,141.25 km) |
| Twinsburg to Tutrakan | 5,046.44 mi (8,121.46 km) |
| Twinsburg to Varna | 5,133.27 mi (8,261.20 km) |
