| Den Helder to Smolyan | 1,213.45 mi (1,952.86 km) |
| Den Helder to Sofia | 1,109.17 mi (1,785.04 km) |
| Den Helder to Sopot | 1,162.38 mi (1,870.67 km) |
| Den Helder to Sozopol | 1,282.51 mi (2,064.00 km) |
| Den Helder to Sredets | 1,266.88 mi (2,038.84 km) |
| Den Helder to Stamboliyski | 1,179.98 mi (1,898.99 km) |
| Den Helder to Stara Zagora | 1,205.60 mi (1,940.23 km) |
| Den Helder to Svilengrad | 1,258.03 mi (2,024.60 km) |
| Den Helder to Svishtov | 1,138.82 mi (1,832.75 km) |
| Den Helder to Targovishte | 1,201.94 mi (1,934.34 km) |
| Den Helder to Teteven | 1,131.99 mi (1,821.76 km) |
| Den Helder to Troyan | 1,149.91 mi (1,850.60 km) |
| Den Helder to Tryavna | 1,179.38 mi (1,898.02 km) |
| Den Helder to Tutrakan | 1,167.36 mi (1,878.69 km) |
| Den Helder to Varna | 1,254.17 mi (2,018.39 km) |
