| Holsbeek to Sofia | 1,040.93 mi (1,675.22 km) |
| Holsbeek to Sopot | 1,099.31 mi (1,769.16 km) |
| Holsbeek to Sozopol | 1,228.59 mi (1,977.22 km) |
| Holsbeek to Sredets | 1,210.89 mi (1,948.73 km) |
| Holsbeek to Stamboliyski | 1,113.18 mi (1,791.49 km) |
| Holsbeek to Stara Zagora | 1,144.60 mi (1,842.06 km) |
| Holsbeek to Svilengrad | 1,195.38 mi (1,923.77 km) |
| Holsbeek to Svishtov | 1,083.81 mi (1,744.22 km) |
| Holsbeek to Targovishte | 1,149.03 mi (1,849.19 km) |
| Holsbeek to Teteven | 1,068.65 mi (1,719.83 km) |
| Holsbeek to Troyan | 1,088.08 mi (1,751.09 km) |
| Holsbeek to Tryavna | 1,120.33 mi (1,803.00 km) |
| Holsbeek to Tutrakan | 1,119.57 mi (1,801.78 km) |
| Holsbeek to Varna | 1,205.57 mi (1,940.17 km) |
| Holsbeek to Veliki Preslav | 1,161.97 mi (1,870.01 km) |
