| Knokke-Heist to Sofia | 1,111.48 mi (1,788.76 km) |
| Knokke-Heist to Sopot | 1,169.84 mi (1,882.67 km) |
| Knokke-Heist to Sozopol | 1,298.83 mi (2,090.27 km) |
| Knokke-Heist to Sredets | 1,281.22 mi (2,061.93 km) |
| Knokke-Heist to Stamboliyski | 1,183.73 mi (1,905.03 km) |
| Knokke-Heist to Stara Zagora | 1,215.10 mi (1,955.51 km) |
| Knokke-Heist to Svilengrad | 1,265.91 mi (2,037.28 km) |
| Knokke-Heist to Svishtov | 1,154.06 mi (1,857.29 km) |
| Knokke-Heist to Targovishte | 1,219.20 mi (1,962.11 km) |
| Knokke-Heist to Teteven | 1,139.18 mi (1,833.33 km) |
| Knokke-Heist to Troyan | 1,158.58 mi (1,864.55 km) |
| Knokke-Heist to Tryavna | 1,190.77 mi (1,916.35 km) |
| Knokke-Heist to Tutrakan | 1,189.38 mi (1,914.13 km) |
| Knokke-Heist to Varna | 1,275.47 mi (2,052.67 km) |
| Knokke-Heist to Veliki Preslav | 1,232.12 mi (1,982.91 km) |
