| Wondelgem to Sofia | 1,087.45 mi (1,750.08 km) |
| Wondelgem to Sopot | 1,146.13 mi (1,844.52 km) |
| Wondelgem to Sozopol | 1,275.77 mi (2,053.15 km) |
| Wondelgem to Sredets | 1,258.00 mi (2,024.56 km) |
| Wondelgem to Stamboliyski | 1,159.76 mi (1,866.46 km) |
| Wondelgem to Stara Zagora | 1,191.52 mi (1,917.57 km) |
| Wondelgem to Svilengrad | 1,242.19 mi (1,999.11 km) |
| Wondelgem to Svishtov | 1,130.98 mi (1,820.14 km) |
| Wondelgem to Targovishte | 1,196.25 mi (1,925.18 km) |
| Wondelgem to Teteven | 1,115.47 mi (1,795.18 km) |
| Wondelgem to Troyan | 1,134.97 mi (1,826.56 km) |
| Wondelgem to Tryavna | 1,167.35 mi (1,878.67 km) |
| Wondelgem to Tutrakan | 1,166.89 mi (1,877.92 km) |
| Wondelgem to Varna | 1,252.86 mi (2,016.29 km) |
| Wondelgem to Veliki Preslav | 1,209.20 mi (1,946.01 km) |
