| Sint-Truiden to Sofia | 1,021.58 mi (1,644.07 km) |
| Sint-Truiden to Sopot | 1,079.90 mi (1,737.92 km) |
| Sint-Truiden to Sozopol | 1,209.16 mi (1,945.95 km) |
| Sint-Truiden to Sredets | 1,191.45 mi (1,917.45 km) |
| Sint-Truiden to Stamboliyski | 1,093.81 mi (1,760.31 km) |
| Sint-Truiden to Stara Zagora | 1,125.18 mi (1,810.80 km) |
| Sint-Truiden to Svilengrad | 1,175.97 mi (1,892.54 km) |
| Sint-Truiden to Svishtov | 1,064.38 mi (1,712.95 km) |
| Sint-Truiden to Targovishte | 1,129.61 mi (1,817.92 km) |
| Sint-Truiden to Teteven | 1,049.24 mi (1,688.59 km) |
| Sint-Truiden to Troyan | 1,068.65 mi (1,719.83 km) |
| Sint-Truiden to Tryavna | 1,100.90 mi (1,771.73 km) |
| Sint-Truiden to Tutrakan | 1,100.19 mi (1,770.58 km) |
| Sint-Truiden to Varna | 1,186.17 mi (1,908.95 km) |
| Sint-Truiden to Veliki Preslav | 1,142.55 mi (1,838.75 km) |
