| Hellevoetsluis to Smolyan | 1,197.17 mi (1,926.66 km) |
| Hellevoetsluis to Sofia | 1,093.30 mi (1,759.50 km) |
| Hellevoetsluis to Sopot | 1,149.89 mi (1,850.56 km) |
| Hellevoetsluis to Sozopol | 1,275.92 mi (2,053.40 km) |
| Hellevoetsluis to Sredets | 1,258.98 mi (2,026.13 km) |
| Hellevoetsluis to Stamboliyski | 1,165.13 mi (1,875.10 km) |
| Hellevoetsluis to Stara Zagora | 1,194.48 mi (1,922.33 km) |
| Hellevoetsluis to Svilengrad | 1,245.93 mi (2,005.13 km) |
| Hellevoetsluis to Svishtov | 1,131.35 mi (1,820.73 km) |
| Hellevoetsluis to Targovishte | 1,195.87 mi (1,924.57 km) |
| Hellevoetsluis to Teteven | 1,119.28 mi (1,801.31 km) |
| Hellevoetsluis to Troyan | 1,138.18 mi (1,831.73 km) |
| Hellevoetsluis to Tryavna | 1,169.45 mi (1,882.05 km) |
| Hellevoetsluis to Tutrakan | 1,164.38 mi (1,873.90 km) |
| Hellevoetsluis to Varna | 1,250.82 mi (2,013.00 km) |
