| Nieuwpoort to Sofia | 1,126.46 mi (1,812.86 km) |
| Nieuwpoort to Sopot | 1,185.67 mi (1,908.16 km) |
| Nieuwpoort to Sozopol | 1,316.10 mi (2,118.06 km) |
| Nieuwpoort to Sredets | 1,298.16 mi (2,089.19 km) |
| Nieuwpoort to Stamboliyski | 1,198.88 mi (1,929.41 km) |
| Nieuwpoort to Stara Zagora | 1,231.25 mi (1,981.50 km) |
| Nieuwpoort to Svilengrad | 1,281.71 mi (2,062.71 km) |
| Nieuwpoort to Svishtov | 1,171.30 mi (1,885.03 km) |
| Nieuwpoort to Targovishte | 1,236.71 mi (1,990.29 km) |
| Nieuwpoort to Teteven | 1,155.01 mi (1,858.81 km) |
| Nieuwpoort to Troyan | 1,174.65 mi (1,890.42 km) |
| Nieuwpoort to Tryavna | 1,207.28 mi (1,942.94 km) |
| Nieuwpoort to Tutrakan | 1,207.73 mi (1,943.66 km) |
| Nieuwpoort to Varna | 1,293.61 mi (2,081.87 km) |
| Nieuwpoort to Veliki Preslav | 1,249.67 mi (2,011.15 km) |
