| Sint-Pieters-Leeuw to Sofia | 1,057.42 mi (1,701.75 km) |
| Sint-Pieters-Leeuw to Sopot | 1,116.49 mi (1,796.81 km) |
| Sint-Pieters-Leeuw to Sozopol | 1,246.89 mi (2,006.67 km) |
| Sint-Pieters-Leeuw to Sredets | 1,228.93 mi (1,977.77 km) |
| Sint-Pieters-Leeuw to Stamboliyski | 1,129.81 mi (1,818.25 km) |
| Sint-Pieters-Leeuw to Stara Zagora | 1,162.03 mi (1,870.11 km) |
| Sint-Pieters-Leeuw to Svilengrad | 1,212.53 mi (1,951.38 km) |
| Sint-Pieters-Leeuw to Svishtov | 1,102.09 mi (1,773.65 km) |
| Sint-Pieters-Leeuw to Targovishte | 1,167.52 mi (1,878.94 km) |
| Sint-Pieters-Leeuw to Teteven | 1,085.83 mi (1,747.47 km) |
| Sint-Pieters-Leeuw to Troyan | 1,105.44 mi (1,779.04 km) |
| Sint-Pieters-Leeuw to Tryavna | 1,138.05 mi (1,831.51 km) |
| Sint-Pieters-Leeuw to Tutrakan | 1,138.71 mi (1,832.57 km) |
| Sint-Pieters-Leeuw to Varna | 1,224.53 mi (1,970.69 km) |
| Sint-Pieters-Leeuw to Veliki Preslav | 1,180.49 mi (1,899.81 km) |
