| Horwich to Smolyan | 1,502.03 mi (2,417.28 km) |
| Horwich to Sofia | 1,398.21 mi (2,250.20 km) |
| Horwich to Sopot | 1,454.81 mi (2,341.30 km) |
| Horwich to Sozopol | 1,579.92 mi (2,542.64 km) |
| Horwich to Sredets | 1,563.30 mi (2,515.88 km) |
| Horwich to Stamboliyski | 1,470.08 mi (2,365.87 km) |
| Horwich to Stara Zagora | 1,499.31 mi (2,412.90 km) |
| Horwich to Svilengrad | 1,550.85 mi (2,495.85 km) |
| Horwich to Svishtov | 1,435.51 mi (2,310.23 km) |
| Horwich to Targovishte | 1,499.69 mi (2,413.52 km) |
| Horwich to Teteven | 1,424.21 mi (2,292.05 km) |
| Horwich to Troyan | 1,443.05 mi (2,322.37 km) |
| Horwich to Tryavna | 1,474.11 mi (2,372.36 km) |
| Horwich to Tutrakan | 1,467.10 mi (2,361.07 km) |
| Horwich to Varna | 1,553.73 mi (2,500.49 km) |
