| Buggenhout to Sofia | 1,065.67 mi (1,715.04 km) |
| Buggenhout to Sopot | 1,124.24 mi (1,809.30 km) |
| Buggenhout to Sozopol | 1,253.77 mi (2,017.74 km) |
| Buggenhout to Sredets | 1,236.02 mi (1,989.18 km) |
| Buggenhout to Stamboliyski | 1,137.96 mi (1,831.38 km) |
| Buggenhout to Stara Zagora | 1,169.60 mi (1,882.30 km) |
| Buggenhout to Svilengrad | 1,220.31 mi (1,963.90 km) |
| Buggenhout to Svishtov | 1,108.98 mi (1,784.73 km) |
| Buggenhout to Targovishte | 1,174.24 mi (1,889.76 km) |
| Buggenhout to Teteven | 1,093.58 mi (1,759.95 km) |
| Buggenhout to Troyan | 1,113.06 mi (1,791.29 km) |
| Buggenhout to Tryavna | 1,145.40 mi (1,843.34 km) |
| Buggenhout to Tutrakan | 1,144.86 mi (1,842.48 km) |
| Buggenhout to Varna | 1,230.84 mi (1,980.84 km) |
| Buggenhout to Veliki Preslav | 1,187.18 mi (1,910.59 km) |
