| Kuurne to Sofia | 1,097.84 mi (1,766.80 km) |
| Kuurne to Sopot | 1,157.35 mi (1,862.58 km) |
| Kuurne to Sozopol | 1,288.38 mi (2,073.44 km) |
| Kuurne to Sredets | 1,270.29 mi (2,044.33 km) |
| Kuurne to Stamboliyski | 1,170.31 mi (1,883.43 km) |
| Kuurne to Stara Zagora | 1,203.05 mi (1,936.12 km) |
| Kuurne to Svilengrad | 1,253.36 mi (2,017.10 km) |
| Kuurne to Svishtov | 1,143.59 mi (1,840.43 km) |
| Kuurne to Targovishte | 1,209.11 mi (1,945.88 km) |
| Kuurne to Teteven | 1,126.69 mi (1,813.24 km) |
| Kuurne to Troyan | 1,146.42 mi (1,844.99 km) |
| Kuurne to Tryavna | 1,179.24 mi (1,897.80 km) |
| Kuurne to Tutrakan | 1,180.59 mi (1,899.98 km) |
| Kuurne to Varna | 1,266.34 mi (2,037.98 km) |
| Kuurne to Veliki Preslav | 1,222.09 mi (1,966.77 km) |
