| Tholey to Smolyan | 1,010.61 mi (1,626.42 km) |
| Tholey to Sofia | 907.90 mi (1,461.12 km) |
| Tholey to Sopot | 968.31 mi (1,558.35 km) |
| Tholey to Sozopol | 1,101.49 mi (1,772.68 km) |
| Tholey to Sredets | 1,082.82 mi (1,742.63 km) |
| Tholey to Stamboliyski | 980.49 mi (1,577.95 km) |
| Tholey to Stara Zagora | 1,014.39 mi (1,632.50 km) |
| Tholey to Svilengrad | 1,064.21 mi (1,712.68 km) |
| Tholey to Svishtov | 956.84 mi (1,539.88 km) |
| Tholey to Targovishte | 1,022.82 mi (1,646.07 km) |
| Tholey to Teteven | 937.67 mi (1,509.03 km) |
| Tholey to Troyan | 957.70 mi (1,541.28 km) |
| Tholey to Tryavna | 991.15 mi (1,595.10 km) |
| Tholey to Tutrakan | 996.32 mi (1,603.42 km) |
| Tholey to Varna | 1,081.39 mi (1,740.33 km) |
