| Walcourt to Sofia | 1,035.89 mi (1,667.11 km) |
| Walcourt to Sopot | 1,096.16 mi (1,764.09 km) |
| Walcourt to Sozopol | 1,228.63 mi (1,977.30 km) |
| Walcourt to Sredets | 1,210.18 mi (1,947.60 km) |
| Walcourt to Stamboliyski | 1,108.47 mi (1,783.92 km) |
| Walcourt to Stara Zagora | 1,142.13 mi (1,838.08 km) |
| Walcourt to Svilengrad | 1,192.09 mi (1,918.48 km) |
| Walcourt to Svishtov | 1,083.90 mi (1,744.37 km) |
| Walcourt to Targovishte | 1,149.71 mi (1,850.28 km) |
| Walcourt to Teteven | 1,065.50 mi (1,714.76 km) |
| Walcourt to Troyan | 1,085.46 mi (1,746.88 km) |
| Walcourt to Tryavna | 1,118.71 mi (1,800.40 km) |
| Walcourt to Tutrakan | 1,122.31 mi (1,806.18 km) |
| Walcourt to Varna | 1,207.71 mi (1,943.62 km) |
| Walcourt to Veliki Preslav | 1,162.73 mi (1,871.23 km) |
