| Wierden to Smolyan | 1,126.48 mi (1,812.90 km) |
| Wierden to Sofia | 1,022.19 mi (1,645.06 km) |
| Wierden to Sopot | 1,075.10 mi (1,730.21 km) |
| Wierden to Sozopol | 1,195.13 mi (1,923.38 km) |
| Wierden to Sredets | 1,179.48 mi (1,898.18 km) |
| Wierden to Stamboliyski | 1,092.87 mi (1,758.80 km) |
| Wierden to Stara Zagora | 1,118.25 mi (1,799.64 km) |
| Wierden to Svilengrad | 1,170.71 mi (1,884.08 km) |
| Wierden to Svishtov | 1,051.42 mi (1,692.10 km) |
| Wierden to Targovishte | 1,114.58 mi (1,793.74 km) |
| Wierden to Teteven | 1,044.72 mi (1,681.32 km) |
| Wierden to Troyan | 1,062.59 mi (1,710.07 km) |
| Wierden to Tryavna | 1,091.99 mi (1,757.38 km) |
| Wierden to Tutrakan | 1,080.17 mi (1,738.36 km) |
| Wierden to Varna | 1,166.96 mi (1,878.04 km) |
