| Zuidhorn to Smolyan | 1,169.14 mi (1,881.54 km) |
| Zuidhorn to Sofia | 1,064.88 mi (1,713.76 km) |
| Zuidhorn to Sopot | 1,115.55 mi (1,795.31 km) |
| Zuidhorn to Sozopol | 1,231.47 mi (1,981.86 km) |
| Zuidhorn to Sredets | 1,216.71 mi (1,958.11 km) |
| Zuidhorn to Stamboliyski | 1,134.73 mi (1,826.17 km) |
| Zuidhorn to Stara Zagora | 1,157.71 mi (1,863.16 km) |
| Zuidhorn to Svilengrad | 1,210.68 mi (1,948.39 km) |
| Zuidhorn to Svishtov | 1,088.70 mi (1,752.10 km) |
| Zuidhorn to Targovishte | 1,150.77 mi (1,851.98 km) |
| Zuidhorn to Teteven | 1,085.39 mi (1,746.77 km) |
| Zuidhorn to Troyan | 1,102.59 mi (1,774.45 km) |
| Zuidhorn to Tryavna | 1,130.76 mi (1,819.78 km) |
| Zuidhorn to Tutrakan | 1,114.35 mi (1,793.37 km) |
| Zuidhorn to Varna | 1,201.18 mi (1,933.11 km) |
