| Haapsalu to Smolyan | 1,200.24 mi (1,931.60 km) |
| Haapsalu to Sofia | 1,122.07 mi (1,805.80 km) |
| Haapsalu to Sopot | 1,126.68 mi (1,813.22 km) |
| Haapsalu to Sozopol | 1,155.49 mi (1,859.58 km) |
| Haapsalu to Sredets | 1,156.95 mi (1,861.92 km) |
| Haapsalu to Stamboliyski | 1,161.97 mi (1,870.02 km) |
| Haapsalu to Stara Zagora | 1,144.05 mi (1,841.17 km) |
| Haapsalu to Svilengrad | 1,192.06 mi (1,918.44 km) |
| Haapsalu to Svishtov | 1,061.48 mi (1,708.29 km) |
| Haapsalu to Targovishte | 1,091.76 mi (1,757.02 km) |
| Haapsalu to Teteven | 1,107.50 mi (1,782.34 km) |
| Haapsalu to Troyan | 1,110.51 mi (1,787.19 km) |
| Haapsalu to Tryavna | 1,113.66 mi (1,792.26 km) |
| Haapsalu to Tutrakan | 1,036.96 mi (1,668.82 km) |
| Haapsalu to Varna | 1,102.23 mi (1,773.87 km) |
