| Nieuwegein to Smolyan | 1,169.15 mi (1,881.57 km) |
| Nieuwegein to Sofia | 1,065.05 mi (1,714.03 km) |
| Nieuwegein to Sopot | 1,120.29 mi (1,802.94 km) |
| Nieuwegein to Sozopol | 1,244.14 mi (2,002.25 km) |
| Nieuwegein to Sredets | 1,227.68 mi (1,975.75 km) |
| Nieuwegein to Stamboliyski | 1,136.50 mi (1,829.01 km) |
| Nieuwegein to Stara Zagora | 1,164.37 mi (1,873.87 km) |
| Nieuwegein to Svilengrad | 1,216.23 mi (1,957.34 km) |
| Nieuwegein to Svishtov | 1,099.81 mi (1,769.98 km) |
| Nieuwegein to Targovishte | 1,163.86 mi (1,873.05 km) |
| Nieuwegein to Teteven | 1,089.75 mi (1,753.79 km) |
| Nieuwegein to Troyan | 1,108.28 mi (1,783.60 km) |
| Nieuwegein to Tryavna | 1,138.86 mi (1,832.82 km) |
| Nieuwegein to Tutrakan | 1,131.26 mi (1,820.59 km) |
| Nieuwegein to Varna | 1,217.87 mi (1,959.98 km) |
