| Neder-Over-Heembeek to Sofia | 1,055.52 mi (1,698.69 km) |
| Neder-Over-Heembeek to Sopot | 1,114.21 mi (1,793.14 km) |
| Neder-Over-Heembeek to Sozopol | 1,243.97 mi (2,001.98 km) |
| Neder-Over-Heembeek to Sredets | 1,226.16 mi (1,973.32 km) |
| Neder-Over-Heembeek to Stamboliyski | 1,127.83 mi (1,815.07 km) |
| Neder-Over-Heembeek to Stara Zagora | 1,159.62 mi (1,866.22 km) |
| Neder-Over-Heembeek to Svilengrad | 1,210.27 mi (1,947.74 km) |
| Neder-Over-Heembeek to Svishtov | 1,099.18 mi (1,768.96 km) |
| Neder-Over-Heembeek to Targovishte | 1,164.49 mi (1,874.07 km) |
| Neder-Over-Heembeek to Teteven | 1,083.55 mi (1,743.80 km) |
| Neder-Over-Heembeek to Troyan | 1,103.06 mi (1,775.20 km) |
| Neder-Over-Heembeek to Tryavna | 1,135.47 mi (1,827.36 km) |
| Neder-Over-Heembeek to Tutrakan | 1,135.29 mi (1,827.07 km) |
| Neder-Over-Heembeek to Varna | 1,221.22 mi (1,965.36 km) |
| Neder-Over-Heembeek to Veliki Preslav | 1,177.44 mi (1,894.91 km) |
