| Mechelen to Sofia | 1,055.48 mi (1,698.63 km) |
| Mechelen to Sopot | 1,113.78 mi (1,792.46 km) |
| Mechelen to Sozopol | 1,242.89 mi (2,000.24 km) |
| Mechelen to Sredets | 1,225.23 mi (1,971.82 km) |
| Mechelen to Stamboliyski | 1,127.71 mi (1,814.88 km) |
| Mechelen to Stara Zagora | 1,159.05 mi (1,865.31 km) |
| Mechelen to Svilengrad | 1,209.85 mi (1,947.07 km) |
| Mechelen to Svishtov | 1,098.11 mi (1,767.24 km) |
| Mechelen to Targovishte | 1,163.30 mi (1,872.14 km) |
| Mechelen to Teteven | 1,083.13 mi (1,743.12 km) |
| Mechelen to Troyan | 1,102.53 mi (1,774.35 km) |
| Mechelen to Tryavna | 1,134.73 mi (1,826.18 km) |
| Mechelen to Tutrakan | 1,133.69 mi (1,824.50 km) |
| Mechelen to Varna | 1,219.72 mi (1,962.95 km) |
| Mechelen to Veliki Preslav | 1,176.23 mi (1,892.96 km) |
