| Tonyrefail to Smolyan | 1,491.04 mi (2,399.60 km) |
| Tonyrefail to Sofia | 1,388.78 mi (2,235.03 km) |
| Tonyrefail to Sopot | 1,449.70 mi (2,333.07 km) |
| Tonyrefail to Sozopol | 1,582.43 mi (2,546.68 km) |
| Tonyrefail to Sredets | 1,564.02 mi (2,517.04 km) |
| Tonyrefail to Stamboliyski | 1,461.47 mi (2,352.00 km) |
| Tonyrefail to Stara Zagora | 1,495.82 mi (2,407.28 km) |
| Tonyrefail to Svilengrad | 1,545.56 mi (2,487.34 km) |
| Tonyrefail to Svishtov | 1,437.68 mi (2,313.73 km) |
| Tonyrefail to Targovishte | 1,503.41 mi (2,419.51 km) |
| Tonyrefail to Teteven | 1,419.06 mi (2,283.75 km) |
| Tonyrefail to Troyan | 1,439.13 mi (2,316.06 km) |
| Tonyrefail to Tryavna | 1,472.52 mi (2,369.79 km) |
| Tonyrefail to Tutrakan | 1,475.40 mi (2,374.43 km) |
| Tonyrefail to Varna | 1,561.04 mi (2,512.26 km) |
