| Denderleeuw to Sofia | 1,066.90 mi (1,717.01 km) |
| Denderleeuw to Sopot | 1,125.84 mi (1,811.86 km) |
| Denderleeuw to Sozopol | 1,255.98 mi (2,021.30 km) |
| Denderleeuw to Sredets | 1,238.09 mi (1,992.51 km) |
| Denderleeuw to Stamboliyski | 1,139.27 mi (1,833.47 km) |
| Denderleeuw to Stara Zagora | 1,171.33 mi (1,885.08 km) |
| Denderleeuw to Svilengrad | 1,221.89 mi (1,966.44 km) |
| Denderleeuw to Svishtov | 1,111.19 mi (1,788.28 km) |
| Denderleeuw to Targovishte | 1,176.56 mi (1,893.49 km) |
| Denderleeuw to Teteven | 1,095.18 mi (1,762.52 km) |
| Denderleeuw to Troyan | 1,114.75 mi (1,794.02 km) |
| Denderleeuw to Tryavna | 1,147.28 mi (1,846.37 km) |
| Denderleeuw to Tutrakan | 1,147.56 mi (1,846.82 km) |
| Denderleeuw to Varna | 1,233.44 mi (1,985.02 km) |
| Denderleeuw to Veliki Preslav | 1,189.52 mi (1,914.35 km) |
