| Avelgem to Sofia | 1,089.41 mi (1,753.24 km) |
| Avelgem to Sopot | 1,149.01 mi (1,849.16 km) |
| Avelgem to Sozopol | 1,280.21 mi (2,060.30 km) |
| Avelgem to Sredets | 1,262.08 mi (2,031.12 km) |
| Avelgem to Stamboliyski | 1,161.90 mi (1,869.89 km) |
| Avelgem to Stara Zagora | 1,194.74 mi (1,922.75 km) |
| Avelgem to Svilengrad | 1,245.02 mi (2,003.66 km) |
| Avelgem to Svishtov | 1,135.42 mi (1,827.29 km) |
| Avelgem to Targovishte | 1,200.98 mi (1,932.80 km) |
| Avelgem to Teteven | 1,118.35 mi (1,799.82 km) |
| Avelgem to Troyan | 1,138.11 mi (1,831.61 km) |
| Avelgem to Tryavna | 1,170.98 mi (1,884.50 km) |
| Avelgem to Tutrakan | 1,172.59 mi (1,887.11 km) |
| Avelgem to Varna | 1,258.30 mi (2,025.04 km) |
| Avelgem to Veliki Preslav | 1,213.97 mi (1,953.69 km) |
