| Aalst to Sofia | 1,070.23 mi (1,722.37 km) |
| Aalst to Sopot | 1,129.06 mi (1,817.05 km) |
| Aalst to Sozopol | 1,259.01 mi (2,026.18 km) |
| Aalst to Sredets | 1,241.17 mi (1,997.46 km) |
| Aalst to Stamboliyski | 1,142.57 mi (1,838.79 km) |
| Aalst to Stara Zagora | 1,174.51 mi (1,890.20 km) |
| Aalst to Svilengrad | 1,225.12 mi (1,971.63 km) |
| Aalst to Svishtov | 1,114.22 mi (1,793.16 km) |
| Aalst to Targovishte | 1,179.56 mi (1,898.31 km) |
| Aalst to Teteven | 1,098.40 mi (1,767.70 km) |
| Aalst to Troyan | 1,117.95 mi (1,799.16 km) |
| Aalst to Tryavna | 1,150.42 mi (1,851.42 km) |
| Aalst to Tutrakan | 1,150.43 mi (1,851.44 km) |
| Aalst to Varna | 1,236.34 mi (1,989.70 km) |
| Aalst to Veliki Preslav | 1,192.51 mi (1,919.16 km) |
